Episode Title:Is That You?.Episode Description:Following a memorial service for Prismo, Jake begins acting strangely. Finn soon realizes that the real Jake has been transported into Prismo's alternate dimension. After recreating the elaborate ritual that triggered the events, Finn is also transported to the dimension, wherein he runs into a program of Prismo. This program explains an elaborate plan that will allow Prismo to be resurrected. Both Finn and Jake follow Prismo's instructions, and are successful in reviving their friend.