When the guys save a landlord with a nut allergy, Johnny finds the perfect apartment to share with Theresa, and his relationship with her enters a new "territory." Brian tries to understand his relationship with Voodoo.
Johnny and his mom deal with his dad's slipping into a coma in very different ways: He tries to repay an old debt while she places bets on what time her former husband will die. In other events, the guys can't rid themselves of an unfortunate earworm.
In the Season 2 finale, the guys treat a man who fears hospitals. In other events, Brian confronts his fear of moving out; and Johnny has a fear realized when Billy temporarily moves in with him and Theresa.