The Origins of Optimus Prime and Megatron, Part 2 is the second half of the film, The Origins of Optimus Prime and Megatron.
When Ryalight uses the book Burger-Beard used to steal the Matrix, Optimus and Megatron must teach their past selves to put aside their differences and work together to get it back.
Ryalight steals the book
The film starts with Ryalight and his assistant Megatran thinking about what plan to make with Rothbart. Then Ryvine tells the news about a book that Burger-Beard used to steal the Krabby Patty formula and opens a portal to a island in SpongeBob's world where the book is at and