After saving a landlord with a nut allergy, Johnny finds the perfect apartment to share with Theresa; Brian tries to understand his relationship with Voodoo.

Johnny has an encounter with an overly grateful patient; Brian agrees to escort an injured girl to her prom.

The guys contemplate fate and serendipity after several random, but fortuitous, incidents; and Johnny becomes upset with Theresa when he learns that she doubts destiny brought them together.

Johnny and Hank are given free passes to a health club after treating a gym rat; and Voodoo tests Brian's ability to remain in a sexless relationship.

Johnny and Hank are horrified when they find out they have to ride along on Brian's first night shift.

Johnny must deal with his prejudice against rich, white men when Hank begins dating his landlord.

The guys confront chaos when a car crash releases an unusual passenger. Meanwhile, Billy deals with a different sort of chaos when he accompanies Theresa and Maeve to a sample sale.

After they save a local mobster, Brian tries to get the guys to makes some changes in the rig, Hank considers the worst person he's ever helped, and Billy goes looking for his old pony.

A drunken brawl among sports fans reverberates at a family barbecue, where disputes occur over a new gas grill.

Things get mixed up when Johnny, Theresa, Billy, and Maeve start playing tennis together. Cash helps Hank shop for his mom's birthday. Brian subs for Cash and rides with Voodoo and Stats.

When Johnny's father goes into a coma, his mother places bets on the time of his passing; the guys suffer an ear worm.

After witnessing the respect Theresa gets, Johnny gets the guys to revive an old program to ear respect for EMTs.

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.