Up in Smoke Signals
S1:E11
2004
IMDb
While Giovanni goes to do one of his favorite things, exploring, he finds smoke signals. He takes out a book and sees what they mean. It means that killers are coming. He franticlly panics as he knows his town is going to be destroyed. Back at the house, Grampa's eating, chili, and he's farting-in which caused the signals!