Lancelot: Guardian of Time (1997)

As they enter sophomore year at Monster High, Clawdeen Wolf, Draculaura and Frankie Stein face new students, new powers, and an even bigger threat that could not only tear their friendship apart but could change the world forever.

Op and Ed, two adorable donut-shaped animals - flummels - accidentally time-travel from 1835 to modern-day Shanghai. There they discover traffic, trans fats, and worst of all, that flummels are now extinct. It's up to this bumbling pair to save themselves and their species...and, just maybe, change the course of history.

In a future where an adult Gwen Tennyson is president and the world is being taken over by the alien horde known as the Xerge, a disillusioned Ben 10,000 is called out of retirement to recruit his 10-year-old version from the past. Based on the 2016 reboot.

Agents J and K are back...in time. J has seen some inexplicable things in his 15 years with the Men in Black, but nothing, not even aliens, perplexes him as much as his wry, reticent partner. But when K's life and the fate of the planet are put at stake, Agent J will have to travel back in time to put things right. J discovers that there are secrets to the universe that K never told him - secrets that will reveal themselves as he teams up with the young Agent K to save his partner, the agency, and the future of humankind.

Anastasia Romanov escapes through a portal when her family is threatened by Vladimir Lenin, and she finds herself in the year 1988, befriended by a young American girl.

As the Lich King's zombie legions ravage the world, a cursed young sorceress embarks on a quest to obtain a weapon from the gods. But when she joins her sworn enemy in a desperate attempt to save the world, she must recover the good in herself before her friends are all dead, and defeat the Lich King before the gods are destroyed and the world forever enslaved.

Two siblings begin to develop special talents after they find a mysterious box of toys, and soon their parents and even their teacher are drawn into a strange new world – and find a task ahead of them that is far more important than any of them could imagine.

The Guardians of Arcadia reunite to battle the nefarious Arcane Order, who've reawakened the primordial Titans.

A young girl Abigail lives in a city whose borders were closed many years ago because of an epidemic of a mysterious disease. Abby's father was one of the sick - and he was taken when she was six years old. Going against the authorities to find his father, Abby learns that her city is actually full of magic. And she discovers in herself extraordinary magical abilities.

Lurk what's waiting for the Monster High ghouls when they bring their killer fashion to the howlways of the spooktacular Haunted High! When the ghouls of Monster High follow Spectra Vondergeist one day, they discover a creeperiffic Ghost World with an all-spirit school. But their scary-cute student bodies are hardly welcome with the very strict Principal Revenant, and she punishes Spectra with frightful detention chains that prevent her from re-joining Monster High. Now, it's up to the imperfectly perfect friends to take on ghostly forms in order to save one of their own from disappearing forever!