The episode is called "C.E. D'oh".
he did in one episode
According to the episode, Saturdays of Thunder. Homer's hero is Steve McQueen
Abraham J Simpson (Season 2, Episode 17 - 'Old Money')
Make Room for Lisa
Treehouse of Horror XIV
mr burns
he did in one episode
The Cartridge Family is the episode when Homer Simpson gets a handgun.
Deep Space Homer (S5|E15)
Mr. or Montgomery Burns is Homer's boss at the power plant in Springfield
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.
According to the episode, Saturdays of Thunder. Homer's hero is Steve McQueen
The episode is Treehouse of Horror XIX (19).
Abraham J Simpson (Season 2, Episode 17 - 'Old Money')
Make Room for Lisa
Treehouse of Horror XIV
Homer Simpson This is Your Wife | Season Seventeen | Episode Fifteen