Major monster-college spoilers ahead. A Japanese trailer for the Pixar prequel Monsters University spoils most of the movie, including crucial plot twists. Much to the horror of a few Pixar animators on twitter. So much is revealed — like baby Mikey and what inspired the little eyeball to enroll at MU. Don't watch if you want to go into this film pure.

Monsters University will be released on June 21st.