the original was in episode 16 season 18 and its repeated on season 19 episode 2
"Homer the Whopper" is the 1st episode in the 21st season.
The Cartridge Family is the episode when Homer Simpson gets a handgun.
There was an episode, The Odyssey of Homer, in which Homer was in era clothing. You can see screenshots from this episode at the related links below.
Deep Space Homer
Homer of Seville
Season 19 episode 2. It's called The Homer Of Seville
Deep Space Homer (S5|E15)
he did in one episode
it's season 13 episode 16 when Homer smokes weed its called " Weekend at Burnsie's"
According to the episode, Saturdays of Thunder. Homer's hero is Steve McQueen
The original airdate of The Simpsons' episode Homer Goes to College was October 14, 1993.
Homer's mothers name is Mona Simpsons. We first learn this in the episode "O' Brother Where Art Thou". Homer also learns he has a Half-Brother in this same episode.