Thread:AnimationFan15/@comment-29429131-20161217215015/@comment-29429131-20161218121304

Also:

21. Highway to Heck - The triplets end up going on a roller coaster so fast, that they travel forty years in the future. And, since that the triplets have had an absence for those forty years their family, fellow citizens, and friends have paid the ultimate price, reducing their town to piles of rubble and blood red skies.

(Note: This is based off of Powerpuff Girls - Speed Demon, which is a pretty dark episode.)