Here's a list of some of the crew that worked on this episode. Included are links to their IMDb profiles and the titles of past She-Ra and the Princesses of Power episodes they worked on, where applicable.
"The Portal", S3-E06
Writer - Josie Campbell - IMDb page
Credits include: "Flowers for She-Ra", S1-E04 (written by)
"The Sea Gate", S1-E05 (staff writer)
"System Failure", S1-E06 (staff writer)
"In the Shadows of Mystacor", S1-E07 (staff writer)
"Princess Prom", S1-E08 (written by)
"No Princess Left Behind", S1-E09 (staff writer)
"Promise", S1-E11 (staff writer)
"The Beacon", S1-E10 (staff writer)
"Light Hope", S1-E12 (written by)
"The Price of Power", S3-E01 (story editor)
"Huntara", S3-E02 (story editor)
"Once Upon a Time in the Waste", S3-E03 (story editor) / (written by)
"Remember", S3-E05 (story editor)
"The Portal", S3-E06 (story editor) / (written by)
Storyboard - Jasmine Goggins - IMDb page
Credits include: "System Failure", S1-E06 (storyboard revisionist)
"Princess Prom", S1-E08 (storyboard artist)
"The Battle of Bright Moon", S1-E13 (storyboard artist)
"Once Upon a Time in the Waste", S3-E03 (storyboard by)
"The Portal", S3-E06 (storyboard by)
- Mickey Quinn - IMDb page
Credits include: "The Sword: Part 2", S1-E02 (storyboard artist)
"The Sea Gate", S1-E05 (storyboard artist)
"Princess Prom", S1-E08 (storyboard artist)
"Promise", S1-E11 (storyboard artist)
"Once Upon a Time in the Waste", S3-E03 (storyboard by)
"The Portal", S3-E06 (storyboard by)
- Jessica Zammit - IMDb page
Credits include: "Once Upon a Time in the Waste", S3-E03
"The Portal", S3-E06
Director - Jen Bennett - IMDb page
Credits include: "The Sword: Part 2", S1-E02
"The Sea Gate", S1-E05
"Princess Prom", S1-E08
"Promise", S1-E11
"The Frozen Forest", S2-E01
"Roll With It", S2-E04
"Reunion", S2-E07
"Once Upon a Time in the Waste", S3-E03
"The Portal", S3-E06
"The Portal", S3-E06
Writer - Josie Campbell - IMDb page
Credits include: "Flowers for She-Ra", S1-E04 (written by)
"The Sea Gate", S1-E05 (staff writer)
"System Failure", S1-E06 (staff writer)
"In the Shadows of Mystacor", S1-E07 (staff writer)
"Princess Prom", S1-E08 (written by)
"No Princess Left Behind", S1-E09 (staff writer)
"Promise", S1-E11 (staff writer)
"The Beacon", S1-E10 (staff writer)
"Light Hope", S1-E12 (written by)
"The Price of Power", S3-E01 (story editor)
"Huntara", S3-E02 (story editor)
"Once Upon a Time in the Waste", S3-E03 (story editor) / (written by)
"Remember", S3-E05 (story editor)
"The Portal", S3-E06 (story editor) / (written by)
Storyboard - Jasmine Goggins - IMDb page
Credits include: "System Failure", S1-E06 (storyboard revisionist)
"Princess Prom", S1-E08 (storyboard artist)
"The Battle of Bright Moon", S1-E13 (storyboard artist)
"Once Upon a Time in the Waste", S3-E03 (storyboard by)
"The Portal", S3-E06 (storyboard by)
- Mickey Quinn - IMDb page
Credits include: "The Sword: Part 2", S1-E02 (storyboard artist)
"The Sea Gate", S1-E05 (storyboard artist)
"Princess Prom", S1-E08 (storyboard artist)
"Promise", S1-E11 (storyboard artist)
"Once Upon a Time in the Waste", S3-E03 (storyboard by)
"The Portal", S3-E06 (storyboard by)
- Jessica Zammit - IMDb page
Credits include: "Once Upon a Time in the Waste", S3-E03
"The Portal", S3-E06
Director - Jen Bennett - IMDb page
Credits include: "The Sword: Part 2", S1-E02
"The Sea Gate", S1-E05
"Princess Prom", S1-E08
"Promise", S1-E11
"The Frozen Forest", S2-E01
"Roll With It", S2-E04
"Reunion", S2-E07
"Once Upon a Time in the Waste", S3-E03
"The Portal", S3-E06