Same 3 episodes over and over (at least on the E190s). The first two involve some type of air travel.

Deep Space Homer - Homer is recruited by Nasa in an attempt to boost ratings. Includes cameos from Buzz (remember - Second comes after first) Aldrin. Also has the 2000 parody involving homer eating a bag of loose floating potato chips in the space shuttle.

Mommie Beerest - Moe's bar is shut down after his buddy - the health inspector - croaks while eating a pickled egg at the bar, and his replacement health inspector isn't too generous. Famous airplane scene involves the homer proclaiming his love to marge while riding in a luggage loader on the tarmac.

Simple Simpson (Pie Man) - After Lisa is humiliated at a county fair singing competition, Homer seeks his revenge by becoming Pie Man to serve some fresh-baked justice on Springfield's evil doers.