In "Life of Brian 2: Revival Reversal", Peter misses having a talking dog in the house after Brian was exiled to Spinazola Apartments, so he adopts Mr. Peanutbutter from Bojack Horseman. Mr. Peanutbutter shows up in the house and says "Mr. Peanutbutter and Peter Griffin in the same room? What is this? A crossover episode?" Peter tells him "No, it's ... it's more of a cameo appearance. You're only here for this one scene." Mr. Peanutbutter asks if he can join Peter for the rest of the episode and go on one of "Mr. Peanutbutter and Peter Griffin's big adventures" together, before Peter tells him that his contract only allowed the cameo and that his time is up. A pair of security guards come up on stage and carry Mr. Peanutbutter by the arms and escort him offstage. As Mr. Peanutbutter is carried away, he calls out to Peter, saying that he would love to do a full-blown crossover with Family Guy in the upcoming reboot of Mr. Peanutbutter's House.