Your thoughts on "Cerebus Syndrome"?

[Zorak Masaki]

Basically, when a formerly light-hearted work suddenly takes a turn into drama. Here's what TV Tropes has to say about it : Cerebus Syndrome - TV Tropes

What do you think of this, and what are some good and/or bad examples?

 

[Fone Bone]

Basically, when a formerly light-hearted work suddenly takes a turn into drama. Here's what TV Tropes has to say about it : Cerebus Syndrome - TV Tropes

What do you think of this, and what are some good and/or bad examples?

Damn you. Got me on TV Tropes. There goes my day.

 

[Dr.Pepper]

Good example: Steven Universe got a lot more interesting when they went into the lore of home world.

Bad Example: Kids Next Door got too pretentious in the later seasons.

 

[AdrenalineRush1996]

For me, it's a mixed bag though there is one good example from it such as Avatar: The Last Airbender.