One such cartoon could be 'Dora the Explorer'. In many episodes, the kids say bye when finishing an adventure or parting ways. Also, 'The Lion King' has young lion cubs saying bye in some scenes.
Well, 'Mickey Mouse Clubhouse' is a possibility. Kids in that cartoon say bye when the activities come to an end. Another one could be 'Thomas & Friends', where the characters say bye when the trains depart.
There's 'Peppa Pig' where kids often say bye when leaving playdates or going home.
It could just mean a simple farewell. Maybe the character is leaving a place or ending an activity.
Often, these cartoons show sad expressions on the kids' faces and maybe some tears. There might also be waves or hugs as they part.
Well, cartoon kids could show it by blowing kisses or giving a friendly hug before saying goodbye. Sometimes, they might have a special gesture or use a cute phrase like 'See you later alligator!'
It could be that he's saying goodbye to a friend and going on a new adventure. Or perhaps it's the end of a playdate and he's leaving.
Maybe it's leaving a place or a friend. Could be for all sorts of reasons!
Maybe she's leaving for some reason. Could be she's done with what she was doing or has to go to another place.
Maybe she's leaving for a trip and the bag has her essentials.
I think the reason could be that some creators want to push boundaries and do something really out there for shock value. But honestly, it's not a very positive or meaningful thing to have in cartoons aimed at kids.
I have no idea. Such cartoons are inappropriate and shouldn't exist.
Maybe it's the way Jupiter is depicted with a big smile and a wave. That kind of expression just makes it super cute!