Rigby must write a speech for his high school graduation that will be broadcast on national TV. Meanwhile, Mordecai sinks into a depression over how Rigby is now more successful than he is, and the park workers finally find out the true intentions of the dome experiment.
Quest roles:
Roger Craig Smith(Briggs (voice)), Janie Haddad Tompkins(Margaret (voice)), Minty Lewis(Eileen (voice)), Courtenay Taylor(Starla / Francine / Girl (voice)), Troy Baker(Dr. Langer / Old Man Pam (voice)), Ali Hillis(Pam / Crystal (voice)), Eddie Pepitone(Sherm (voice)), Ben Diskin(Aiden / Steffen (voice)), David Koechner(Principal Dean (voice))