It could be for comedic effect or to add an unexpected and odd element to the story.
It could be that the underlying cause wasn't identified and fixed initially, so the problem resurfaces. Or, new circumstances have emerged that have led to the same issue occurring again.
It could be that the human is seeking adventure or has some urgent reason to leave. Maybe there's a promise or a mission waiting elsewhere.
It could be that the theme or the style of the shit cartoon appeals to her sense of humor or creativity. Or perhaps it has characters she relates to.
Maybe it has a confusing plot or poor character development that makes it hard to understand and enjoy.
Maybe it's because the cartoon has poor animation quality or a boring storyline.
Maybe the drawing style or the color choice made it look that way. Sometimes the artist's intention doesn't come across well.
It could be that the characters in the cat cartoon aren't appealing or the humor doesn't click with people. Sometimes, bad voice acting or lack of originality can also turn viewers off.
Maybe she's having a bad day or just being a bit moody. Sometimes people act strangely in cartoons for added drama.
The alien boy has all sorts of wild adventures. He travels to different planets, meets strange creatures, and has to use his special powers to overcome challenges.
The cat might have wild space travels and encounters with strange alien creatures.