TF Theater

Pokemon de evolve (which is the same as ar for them) eventually back into eggs. The main characters into little kids (not shown in video but aftermath)

Boy into baby @ 3:00; boy and girls into babies @ 4:15; return to normal @ 9:50.

With a remote Robin rewinds Beast Boy, Starfire, Raven and Cyborg into babies. then fast forwards them into eldery

Earlier the characters became kids and a bee into a pupa. then into toddlers and pupa to larva. then into eggs

Pikachu devolves (like ar for pokemon) into Pichu, Cinderace devolves into Raboot (off screen but you see the glow) then raboot into scorbunny. Goh, Dawn and Chloe (with alternate universe selves) into little kids

Teen and kid swap ages, then both into elderly

A creature turns people into babies (english version is on netflix)

A group of teens go into a cave where time has stopped. Outside the cave many years have passed.

Crew of anthro dogs into puppies

Mayfly ages to death overtime

Wacko ages to elderly

Mostly Age Regression.