Sirens
13 episodes
Superdick
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 Nightingale
The murky relationship between the caregiver and the cared-for is exposed when Johnny encounters an overly grateful patient and Brian agrees to escort an injured young woman to her prom.
Briandipity
The guys consider ideas of fate and serendipity when random events occur; Johnny is upset to learn that Theresa does not believe destiny had a hand in their being together.
Transcendual
The guys treat an overly-ambitious gym rat; Johnny and Hank get free passes at a health club; Voodoo tests Brian's limits.
All the Single Ladies
Johnny and Hank are horrified when they find out they have to ride along on Brian's first night shift.
Screw the One Percent
Johnny must deal with his prejudice against rich, white men when Hank begins dating his landlord; Billy helps Brian work through heartbreak.
Let Pythons Be Pythons
A car crash at a firehouse releases an unusual passenger; and Billy accompanies Theresa and Maeve to a sample sale.
Hypocritical Oath
After saving a local mobster, Brian encourages the guys to make changes in the rig. Hank considers the worst person he has ever helped. Billy looks for a neighborhood pony.
Charbroiled
A drunken brawl among sports fans reverberates at a family barbecue, where disputes occur over a new gas grill.
Balls
Johnny, Theresa, Billy and Maeve begin to play tennis together; Cash helps Hank shop for his mother's birthday gift; Brian rides along with Voodoo and Stats.
Six Feet Over/Under
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.
No Love
After observing the respect that Theresa receives on the job, Johnny gets the guys to revive an old program in order to get a little respect for EMTs.
Sub-Primal Fears
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.