EPISODE #480
Season 22, Episode 16
Double act Cheech and Chong announce a new tour but things go horribly wrong during a live performance and Chong storms off, leaving Homer to fill in for him. As Homer accompanies Cheech for the remainder of the tour Marge is left at home to help the Crazy Cat Lady unclutter her home, but this then leads to her becoming obsessed with filling her own home with junk.
There are film references to
Pulp Fiction,
Gone With The Wind and The Godfather.
*Read a more detailed summary for this episode on Wiki Simpsons