Abbi loses her gym job, Ilana gets fired from Deals Deals Deals, and both attempt to become "real adults." This fails spectacularly.
This is likely what your truncated search refers to. Abbi and Ilana try to have a threesome with a guy named Trey (a tech bro). The episode is a masterclass in awkward sex comedy. It goes wrong immediately—Trey is terrible in bed, Abbi hides in the bathroom, and Ilana ends up trying to teach him how to breathe. It deconstructs the fantasy of the "casual threesome" into a claustrophobic, hilarious disaster. Broad City Season 1 2 3 4 Web Series - threes...
If you are looking to watch Broad City Seasons 1, 2, 3, and 4 , you are looking at the golden era of the show. (Season 5 was the swan song, but Seasons 3 and 4 are where the narrative hit its stride). Abbi loses her gym job, Ilana gets fired