BoJack decides to mentor Todd; Diane's ex-boyfriend writes an article about Mr. Peanutbutter.

BoJack sabotages himself with an epic bender; Princess Carolyn's agency merges with another.

Dr. Champ tells BoJack it's time to leave rehab. Mr. Peanutbutter's reputation takes a hit. In Chicago, Diane wrestles with writer's block.