Here are Cartoon Network, Cartoonito, and HBO Max's premieres for October. The info here may be incomplete and is subject to change. If I missed anything or made any mistakes, please let me know and I'll add/fix it as soon as I can.
Cartoonito
Bing
Monday, October 4 - 10 A.M. (EST) - 108B - Dressing Up
Monday, October 11 - 10 A.M. (EST) - 108C - Something for Sula
Monday, October 18 - 10 A.M. (EST) - 109A - Knack
Monday, October 25 - 10 A.M. (EST) - 109B - Hearts
Caillou
Wednesday, October 6 - 7 A.M. (EST) - 120 - Three's a Crowd/Get Well Soon/Shadow Play/A New Member of the Family
Wednesday, October 6 - 7:30 A.M. (EST) - 121 - Caillou and the Tooth Fairy/I Want to Grow Up/Caillou's Big Chill/Leo's Hamster
Friday, October 8 - 7 A.M. (EST) - 122 - Caillou's Surprise Party/Caillou's Bad Dream/Caillou Computes/Caillou's Big Discovery
Monday, October 11 - 7 A.M. (EST) - 123 - Caillou Goes to the Car Wash/Far Away From Home/All You Can Eat/Caillou Stays Up Late
Tuesday, October 12 - 7:30 A.M. (EST) - 124 - New Kids on the Block/Caillou Goes to School/Caillou's Kitchen/Caillou's Sea Adventure
Wednesday, October 13 - 7 A.M. (EST) - 125 - Backyard Zoo/Caillou's Scavenger Hunt/Too Many Cooks/The Berry Patch
Thursday, October 14 - 7 A.M. (EST) - 126 - The Little Bird/Lights Out/Caillou's Check Up/Calling Dr. Caillou
Thursday, October 14 - 7:30 A.M. (EST) - 127 - Pumpkin Patch Kid/Caillou's Got Rhythm/Do it Myself/Caillou's Big Sale
Friday, October 15 - 7 A.M. (EST) - 128 - Caillou's Suitcase/Try, Try Again/The New Leaf/Happy New Year
Monday, October 18 - 7 A.M. (EST) - 129 - Caillou's Teddy Shirt/Caillou Meets Robbie/The Pinata/Caillou's Promise
Tuesday, October 19 - 7 A.M. (EST) - 130 - One, Two, Boom!/Out of the Woods/House Paint/Caillou's Thanksgiving
Tuesday, October 19 - 7:30 A.M. (EST) - 131 - Say Cheese/Finders Keepers/A Frog in Caillou's Throat/Caillou the Great
Wednesday, October 20 - 7 A.M. (EST) - 132 - A Surprise for Mommy/Caillou Misses Sarah/T-Shirt Trouble/A Helping Hand
Friday, October 22 - 7 A.M. (EST) - 133 - Caillou Tries Karate/Just Like Daddy/Caillou's Safari/Cowboy Caillou
Monday, October 25 - 7 A.M. (EST) - 134 - Caillou Goes Shopping/Apple Picking/Halloween Costume/Caillou's Big Kick
Monday, October 25 - 7:30 A.M. (EST) - 135 - Caillou the Jungle Explorer/The Caillou Show/Caillou Loves Halloween/Caillou's Picnic
Wednesday, October 27 - 7 A.M. (EST) - 136 - Caillou's Coins/Caillou and the Bulldozer/Caillou the Firefighter/Caillou the Timekeeper
Friday, October 29 - 7 A.M. (EST) - 137 - Elephants!/Caillou and the Sheep/Caillou and the Puppies/The Duck Family/Clementine's New Pet
Esme & Roy
Saturday, October 2 - 7:30 A.M. (EST) - 103 - Noisy Naptime/The Hugo Express
Saturday, October 9 - 7:30 A.M. (EST) - 104 - Gentle, Gentle/The Case of the Missing Cuddles
Saturday, October 16 - 7:30 A.M. (EST) - 105 - Supermarket Match/Imitation Frustration
Saturday, October 23 - 7:30 A.M. (EST) - 106 - Hugo, We Have a Problem/A New Chapter
Saturday, October 30 - 7:30 A.M. (EST) - 107 - Game Plan/A Way to Play
Little Ellen
Thursday, October 14 - Season 1B [HBO Max]
Love Monster
Sunday, October 3 - 7 A.M. (EST) - 107 - Accidental Elder Day
Sunday, October 10 - 7 A.M. (EST) - 108 - Paint a Picture Day
Sunday, October 17 - 7 A.M. (EST) - 109 - Yay for Rain Day
Sunday, October 24 - 7 A.M. (EST) - 110 - Special Surprise Day
Sunday, October 31 - 7 A.M. (EST) - 111 - Clear Out Day
Lucas the Spider
Saturday, October 2 - 7 A.M. (EST) - 107 - Lonesome Lucas
Saturday, October 9 - 7 A.M. (EST) - 108 - I Can't See You
Saturday, October 16 - 7 A.M. (EST) - 109 - Don't Eat Me
Saturday, October 23 - 7 A.M. (EST) - 110 - Sliding
Saturday, October 30 - 7 A.M. (EST) - 111 - Spinning Webs
Mush-Mush and the Mushables
Monday, October 4 - 1 P.M. (EST) - 123 - Mushpot's Treasure
Monday, October 11 - 1 P.M. (EST) - 124 - Shine, Lilit, Shine
Monday, October 18 - 1 P.M. (EST) - 125 - Mush-Mush the Predictor
Wednesday, October 20 - 1 P.M. (EST) - 126 - The Show Mush Go On
Monday, October 25 - 1 P.M. (EST) - 127 - What a Stinker
Wednesday, October 27 - 1 P.M. (EST) - 128 - Compost to Go
Pocoyo
Friday, October 1 - 8 A.M. (EST) - 118 - Pocoyo's Balloon/Who's Calling Me Now?/Big Scary Slide
Monday, October 4 - 8 A.M. (EST) - 119A - Elly's Shoes
Wednesday, October 6 - 8 A.M. (EST) - 119B - Duck Stuck
Friday, October 8 - 8 A.M. (EST) - 119C - Scary Noises
Monday, October 11 - 8 A.M. (EST) - 120A - Not in My Backyard
Wednesday, October 13 - 8 A.M. (EST) - 120B - Vamoosh on the Loose
Friday, October 15 - 8 A.M. (EST) - 120C - Detective Pocoyo
Monday, October 18 - 8 A.M. (EST) - 121A - Scooter Madness
Wednesday, October 20 - 8 A.M. (EST) - 121B - Lost in Space
Friday, October 22 - 8 A.M. (EST) - 121C - Boo!
Monday, October 25 - 8 A.M. (EST) - 122 - Crazy Inventions/Pocoyo and Nina's Terror Show/Pocoyo and the Haunted House
Monday, October 25 - 8:30 A.M. (EST) - 123 - Halloween Potion/The Reflection/Pocoyo's Scary Halloween
Wednesday, October 27 - 8 A.M. (EST) - 124A - Party Pooper
Friday, October 29 - 8 A.M. (EST) - 124B - My Pato!
Thomas & Friends: All Engines Go!
Monday, October 4 - 9 A.M. (EST) - 115 - Chasing Rainbows
Monday, October 11 - 9 A.M. (EST) - 116 - Nia's Balloon Blunder
Monday, October 18 - 9 A.M. (EST) - 117 - Capture the Flag
Monday, October 25 - 9 A.M. (EST) - 118 - Mystery Boxcars
Friday, October 29 - Episodes 19-26 [NETFLIX]
Cartoon Network
Apple & Onion
Thursday, October 28 - 7 P.M. (EST) - 220 - Eyesore of Sunset
Craig of the Creek
Monday, October 25 - 7 P.M. (EST) - 401 - The Legend of the Library [SEASON PREMIERE]
DC Super Hero Girls
Sunday, October 3 - 8 A.M. (EST) - 219 - #DetentionClub
Sunday, October 3 - 8:15 A.M. (EST) - 220 - #SmallVictories
Sunday, October 10 - 8 A.M. (EST) - 221 - #CruzControl
Sunday, October 10 - 8:15 A.M. (EST) - 222 - #WhySoBlue
Sunday, October 17 - 8 A.M. (EST) - 223 - #OneEnchantedEvening
Sunday, October 17 - 8:15 A.M. (EST) - 224 - #TheAquamanCometh
Sunday, October 24 - 8 A.M. (EST) - 225/226 - #NightmareInGotham [SEASON FINALE]
Jellystone!
Saturday, October 2 - 9:30 A.M. (EST) - 105 - VIP Baby You Know Me/El Kabong's Kabong is Gone
Saturday, October 9 - 9:30 A.M. (EST) - 106 - Mr. Flabby Dabby Wabby Jabby/Ice Ice Daddy
Saturday, October 16 - 9:30 A.M. (EST) - 107 - DNA, A-OK!/Face of the Town
Thursday, October 21 - 111A - Spell Book [HBO Max]
Saturday, October 23 - 9:30 A.M. (EST) - 108 - Catanooga Cheese Explosion/Squish or Miss
Saturday, October 30 - 9:30 A.M. (EST) - 109 - Gotta Kiss Them All/Jelly Wrestle Rumble
Scooby-Doo! And Guess Who?
Friday, October 1 - Episodes 42-52 [HBO Max]
Teen Titans GO!
Saturday, October 2 - 9 A.M. (EST) - 721 - Doomsday Preppers
Saturday, October 9 - 9 A.M. (EST) - 722 - Fat Cats
Saturday, October 16 - 9 A.M. (EST) - 723 - Jam
Saturday, October 23 - 9 A.M. (EST) - 724 - DC
Wednesday, October 27 - 7 P.M. (EST) - 725 - Pepo the Pumpkinman
Tig N' Seek
Friday, October 1 - 8 P.M. (EST) - 113 - Tiny Tiggy Tennis
Friday, October 1 - 8:15 P.M. (EST) - 116 - Just Kitten
Friday, October 8 - 8 P.M. (EST) - 112 - An Easy Fix
Friday, October 8 - 8:15 P.M. (EST) - 210 - Game Over
Friday, October 15 - 8 P.M. (EST) - 209 - The Decider
Friday, October 15 - 8:15 P.M. (EST) - 120 - Within the Walls [SEASON FINALE]
Total DramaRama
Saturday, October 2 - 10 A.M. (EST) - 325 - Quiche it Goodbye
Saturday, October 9 - 10 A.M. (EST) - 326 - Ice Guys Finish Last
Saturday, October 16 - 10 A.M. (EST) - 327 - Trousering Inferno
Saturday, October 23 - 10 A.M. (EST) - 328 - The Big Bangs Theory
Friday, October 29 - 7 P.M. (EST) - 329/330 - Gwen Scary, Gwen Lost
Victor & Valentino
Saturday, October 9 - 10:30 A.M. (EST) - 307 - The Bodyguard
Saturday, October 16 - 10:30 A.M. (EST) - 308 - Miguelito the Mosquito
Saturday, October 23 - 10:30 A.M. (EST) - 309 - Plan-De-Monium
Tuesday, October 26 - 7 P.M. (EST) - 310/311 - PuzzleMaster
Movies/Specials
Sunday, October 3 - 9 A.M. (EST) - Scooby-Doo! The Sword and the Scoob
Sunday, October 3 - 10:45 A.M. (EST) - Scooby-Doo and the Gourmet Ghost
Sunday, October 3 - 6 P.M. (EST) - Teenage Mutant Ninja Turtles (2014)
Sunday, October 10 - 9 A.M. (EST) - Scooby-Doo and the Curse of the 13th Ghost
Sunday, October 10 - 6 P.M. (EST) - Ready Player One
Sunday, October 17 - 9 A.M. (EST) - Scooby-Doo and Batman: The Brave and the Bold
Sunday, October 24 - 9 A.M. (EST) - Scooby-Doo! Shaggy's Showdown
Sunday, October 24 - 6 P.M. (EST) - Scoob!
Sunday, October 31 - 9 A.M. (EST) - Happy Halloween, Scooby-Doo!
Sunday, October 31 - 6 P.M. (EST) - The Amazing Spider-Man
Cartoonito
Bing
Monday, October 4 - 10 A.M. (EST) - 108B - Dressing Up
Monday, October 11 - 10 A.M. (EST) - 108C - Something for Sula
Monday, October 18 - 10 A.M. (EST) - 109A - Knack
Monday, October 25 - 10 A.M. (EST) - 109B - Hearts
Caillou
Wednesday, October 6 - 7 A.M. (EST) - 120 - Three's a Crowd/Get Well Soon/Shadow Play/A New Member of the Family
Wednesday, October 6 - 7:30 A.M. (EST) - 121 - Caillou and the Tooth Fairy/I Want to Grow Up/Caillou's Big Chill/Leo's Hamster
Friday, October 8 - 7 A.M. (EST) - 122 - Caillou's Surprise Party/Caillou's Bad Dream/Caillou Computes/Caillou's Big Discovery
Monday, October 11 - 7 A.M. (EST) - 123 - Caillou Goes to the Car Wash/Far Away From Home/All You Can Eat/Caillou Stays Up Late
Tuesday, October 12 - 7:30 A.M. (EST) - 124 - New Kids on the Block/Caillou Goes to School/Caillou's Kitchen/Caillou's Sea Adventure
Wednesday, October 13 - 7 A.M. (EST) - 125 - Backyard Zoo/Caillou's Scavenger Hunt/Too Many Cooks/The Berry Patch
Thursday, October 14 - 7 A.M. (EST) - 126 - The Little Bird/Lights Out/Caillou's Check Up/Calling Dr. Caillou
Thursday, October 14 - 7:30 A.M. (EST) - 127 - Pumpkin Patch Kid/Caillou's Got Rhythm/Do it Myself/Caillou's Big Sale
Friday, October 15 - 7 A.M. (EST) - 128 - Caillou's Suitcase/Try, Try Again/The New Leaf/Happy New Year
Monday, October 18 - 7 A.M. (EST) - 129 - Caillou's Teddy Shirt/Caillou Meets Robbie/The Pinata/Caillou's Promise
Tuesday, October 19 - 7 A.M. (EST) - 130 - One, Two, Boom!/Out of the Woods/House Paint/Caillou's Thanksgiving
Tuesday, October 19 - 7:30 A.M. (EST) - 131 - Say Cheese/Finders Keepers/A Frog in Caillou's Throat/Caillou the Great
Wednesday, October 20 - 7 A.M. (EST) - 132 - A Surprise for Mommy/Caillou Misses Sarah/T-Shirt Trouble/A Helping Hand
Friday, October 22 - 7 A.M. (EST) - 133 - Caillou Tries Karate/Just Like Daddy/Caillou's Safari/Cowboy Caillou
Monday, October 25 - 7 A.M. (EST) - 134 - Caillou Goes Shopping/Apple Picking/Halloween Costume/Caillou's Big Kick
Monday, October 25 - 7:30 A.M. (EST) - 135 - Caillou the Jungle Explorer/The Caillou Show/Caillou Loves Halloween/Caillou's Picnic
Wednesday, October 27 - 7 A.M. (EST) - 136 - Caillou's Coins/Caillou and the Bulldozer/Caillou the Firefighter/Caillou the Timekeeper
Friday, October 29 - 7 A.M. (EST) - 137 - Elephants!/Caillou and the Sheep/Caillou and the Puppies/The Duck Family/Clementine's New Pet
Esme & Roy
Saturday, October 2 - 7:30 A.M. (EST) - 103 - Noisy Naptime/The Hugo Express
Saturday, October 9 - 7:30 A.M. (EST) - 104 - Gentle, Gentle/The Case of the Missing Cuddles
Saturday, October 16 - 7:30 A.M. (EST) - 105 - Supermarket Match/Imitation Frustration
Saturday, October 23 - 7:30 A.M. (EST) - 106 - Hugo, We Have a Problem/A New Chapter
Saturday, October 30 - 7:30 A.M. (EST) - 107 - Game Plan/A Way to Play
Little Ellen
Thursday, October 14 - Season 1B [HBO Max]
Love Monster
Sunday, October 3 - 7 A.M. (EST) - 107 - Accidental Elder Day
Sunday, October 10 - 7 A.M. (EST) - 108 - Paint a Picture Day
Sunday, October 17 - 7 A.M. (EST) - 109 - Yay for Rain Day
Sunday, October 24 - 7 A.M. (EST) - 110 - Special Surprise Day
Sunday, October 31 - 7 A.M. (EST) - 111 - Clear Out Day
Lucas the Spider
Saturday, October 2 - 7 A.M. (EST) - 107 - Lonesome Lucas
Saturday, October 9 - 7 A.M. (EST) - 108 - I Can't See You
Saturday, October 16 - 7 A.M. (EST) - 109 - Don't Eat Me
Saturday, October 23 - 7 A.M. (EST) - 110 - Sliding
Saturday, October 30 - 7 A.M. (EST) - 111 - Spinning Webs
Mush-Mush and the Mushables
Monday, October 4 - 1 P.M. (EST) - 123 - Mushpot's Treasure
Monday, October 11 - 1 P.M. (EST) - 124 - Shine, Lilit, Shine
Monday, October 18 - 1 P.M. (EST) - 125 - Mush-Mush the Predictor
Wednesday, October 20 - 1 P.M. (EST) - 126 - The Show Mush Go On
Monday, October 25 - 1 P.M. (EST) - 127 - What a Stinker
Wednesday, October 27 - 1 P.M. (EST) - 128 - Compost to Go
Pocoyo
Friday, October 1 - 8 A.M. (EST) - 118 - Pocoyo's Balloon/Who's Calling Me Now?/Big Scary Slide
Monday, October 4 - 8 A.M. (EST) - 119A - Elly's Shoes
Wednesday, October 6 - 8 A.M. (EST) - 119B - Duck Stuck
Friday, October 8 - 8 A.M. (EST) - 119C - Scary Noises
Monday, October 11 - 8 A.M. (EST) - 120A - Not in My Backyard
Wednesday, October 13 - 8 A.M. (EST) - 120B - Vamoosh on the Loose
Friday, October 15 - 8 A.M. (EST) - 120C - Detective Pocoyo
Monday, October 18 - 8 A.M. (EST) - 121A - Scooter Madness
Wednesday, October 20 - 8 A.M. (EST) - 121B - Lost in Space
Friday, October 22 - 8 A.M. (EST) - 121C - Boo!
Monday, October 25 - 8 A.M. (EST) - 122 - Crazy Inventions/Pocoyo and Nina's Terror Show/Pocoyo and the Haunted House
Monday, October 25 - 8:30 A.M. (EST) - 123 - Halloween Potion/The Reflection/Pocoyo's Scary Halloween
Wednesday, October 27 - 8 A.M. (EST) - 124A - Party Pooper
Friday, October 29 - 8 A.M. (EST) - 124B - My Pato!
Thomas & Friends: All Engines Go!
Monday, October 4 - 9 A.M. (EST) - 115 - Chasing Rainbows
Monday, October 11 - 9 A.M. (EST) - 116 - Nia's Balloon Blunder
Monday, October 18 - 9 A.M. (EST) - 117 - Capture the Flag
Monday, October 25 - 9 A.M. (EST) - 118 - Mystery Boxcars
Friday, October 29 - Episodes 19-26 [NETFLIX]
Cartoon Network
Apple & Onion
Thursday, October 28 - 7 P.M. (EST) - 220 - Eyesore of Sunset
Craig of the Creek
Monday, October 25 - 7 P.M. (EST) - 401 - The Legend of the Library [SEASON PREMIERE]
DC Super Hero Girls
Sunday, October 3 - 8 A.M. (EST) - 219 - #DetentionClub
Sunday, October 3 - 8:15 A.M. (EST) - 220 - #SmallVictories
Sunday, October 10 - 8 A.M. (EST) - 221 - #CruzControl
Sunday, October 10 - 8:15 A.M. (EST) - 222 - #WhySoBlue
Sunday, October 17 - 8 A.M. (EST) - 223 - #OneEnchantedEvening
Sunday, October 17 - 8:15 A.M. (EST) - 224 - #TheAquamanCometh
Sunday, October 24 - 8 A.M. (EST) - 225/226 - #NightmareInGotham [SEASON FINALE]
Jellystone!
Saturday, October 2 - 9:30 A.M. (EST) - 105 - VIP Baby You Know Me/El Kabong's Kabong is Gone
Saturday, October 9 - 9:30 A.M. (EST) - 106 - Mr. Flabby Dabby Wabby Jabby/Ice Ice Daddy
Saturday, October 16 - 9:30 A.M. (EST) - 107 - DNA, A-OK!/Face of the Town
Thursday, October 21 - 111A - Spell Book [HBO Max]
Saturday, October 23 - 9:30 A.M. (EST) - 108 - Catanooga Cheese Explosion/Squish or Miss
Saturday, October 30 - 9:30 A.M. (EST) - 109 - Gotta Kiss Them All/Jelly Wrestle Rumble
Scooby-Doo! And Guess Who?
Friday, October 1 - Episodes 42-52 [HBO Max]
Teen Titans GO!
Saturday, October 2 - 9 A.M. (EST) - 721 - Doomsday Preppers
Saturday, October 9 - 9 A.M. (EST) - 722 - Fat Cats
Saturday, October 16 - 9 A.M. (EST) - 723 - Jam
Saturday, October 23 - 9 A.M. (EST) - 724 - DC
Wednesday, October 27 - 7 P.M. (EST) - 725 - Pepo the Pumpkinman
Tig N' Seek
Friday, October 1 - 8 P.M. (EST) - 113 - Tiny Tiggy Tennis
Friday, October 1 - 8:15 P.M. (EST) - 116 - Just Kitten
Friday, October 8 - 8 P.M. (EST) - 112 - An Easy Fix
Friday, October 8 - 8:15 P.M. (EST) - 210 - Game Over
Friday, October 15 - 8 P.M. (EST) - 209 - The Decider
Friday, October 15 - 8:15 P.M. (EST) - 120 - Within the Walls [SEASON FINALE]
Total DramaRama
Saturday, October 2 - 10 A.M. (EST) - 325 - Quiche it Goodbye
Saturday, October 9 - 10 A.M. (EST) - 326 - Ice Guys Finish Last
Saturday, October 16 - 10 A.M. (EST) - 327 - Trousering Inferno
Saturday, October 23 - 10 A.M. (EST) - 328 - The Big Bangs Theory
Friday, October 29 - 7 P.M. (EST) - 329/330 - Gwen Scary, Gwen Lost
Victor & Valentino
Saturday, October 9 - 10:30 A.M. (EST) - 307 - The Bodyguard
Saturday, October 16 - 10:30 A.M. (EST) - 308 - Miguelito the Mosquito
Saturday, October 23 - 10:30 A.M. (EST) - 309 - Plan-De-Monium
Tuesday, October 26 - 7 P.M. (EST) - 310/311 - PuzzleMaster
Movies/Specials
Sunday, October 3 - 9 A.M. (EST) - Scooby-Doo! The Sword and the Scoob
Sunday, October 3 - 10:45 A.M. (EST) - Scooby-Doo and the Gourmet Ghost
Sunday, October 3 - 6 P.M. (EST) - Teenage Mutant Ninja Turtles (2014)
Sunday, October 10 - 9 A.M. (EST) - Scooby-Doo and the Curse of the 13th Ghost
Sunday, October 10 - 6 P.M. (EST) - Ready Player One
Sunday, October 17 - 9 A.M. (EST) - Scooby-Doo and Batman: The Brave and the Bold
Sunday, October 24 - 9 A.M. (EST) - Scooby-Doo! Shaggy's Showdown
Sunday, October 24 - 6 P.M. (EST) - Scoob!
Sunday, October 31 - 9 A.M. (EST) - Happy Halloween, Scooby-Doo!
Sunday, October 31 - 6 P.M. (EST) - The Amazing Spider-Man