The ruler of the future tells best friends Bill and Ted they must compose a new song to save life as we know it. But instead of writing it, they decide to travel through time to steal it from their older selves. Meanwhile, their young daughters devise their own musical scheme to help their fathers bring harmony to the universe. Hugely likeable and a non-heinous addition to the franchise.

Aspiring musician Miguel, confronted with his family's ancestral ban on music, enters the Land of the Dead to find his great-great-grandfather, a legendary singer. —Disney/Pixar

In Persia in the 11th Century, a surgeon's apprentice disguises himself as a Jew to study at a school that does not admit Christians.