I’ll go first.
Winner:
Breaking Bad, season 3 episode 10, “Fly”
Honorable mention:
Community, season 3 episode 10, “Cooperative Calligraphy”
PS: I’m having a hard time categorizing these as real bottle episodes since they don’t feel cheap or “fillery” at all, but they are at least spatially and plot wise confined.


Never heard about this term before, so: https://en.wikipedia.org/wiki/Bottle_episode
Thanks! I was wondering too.
Alternative tvtropes link, since that’s where I thought to look: https://tvtropes.org/pmwiki/pmwiki.php/Main/BottleEpisode
Nooooo! You just caused me another hour lost at that site!
That site is an SCP cognitohazard
It’s never too late 😊