Conversation so far:
What is the plot of Stark Raving Dad about?
In Stark Raving Dad, Homer is mistaken for an anarchist and sent to a mental institution. Bart promises his sister he will get her the best birthday present ever.
Are there any other interesting aspects about this Stark Raving Dad article?
The In Stark Raving Dad episode was written by Al Jean and Mike Reiss, and directed by Rich Moore.
Was marge mentioned at all in the episode Stark Raving Dad?
In Stark Raving Dad, Marge, upon hearing what has happened, comes to the institution.
Were any of Barts friends mentioned in the plot of the episode Stark Raving Dad?
In Stark Raving Dad, Homer calls and tells Bart he is bringing Michael to stay for a few days. Against Homer and Michael's wishes, Bart tells his friend Milhouse.

Question: What happens to Homer?
Self-contained rewrite: What happens to Homer in the episode Stark Raving Dad?