In a short resolution to season three's cliffhangers, it turns out that Garcia and Dangle are pulled out of the car safe (and naked), and, unfortunately, the call placed to the prison was a wrong number, so Craig is killed.

Six months later, Wiegel comes back from her "personal leave" pregnant. It turns out that it was not Craig that impregnated her, but rather via a sperm bank that Junior and Dangle may or may not have contributed to.

Also, Carrot Top goes insane in a Harrah's hotel, throwing furniture out of the presidential suite, shooting at people and stealing police cars.

Dangle visits his ex-wife and her new husband on their anniversary. Meanwhile, Trudy, Clementine, Raineesha, and Cheresa stake-out a lecherous Meth Dealer and his girlfriends.

The department gets new women's specific bullet-proof vests with an unexpected side effect: Super Knockers.

Undercover at Burger Cousin, to stop a string of robberies at a local burger joint, deputies go to work as fast food employees, where they meet a boss (Guest Star Seth Green) even tougher than Lt. Dangle.

Wiegel's estranged father gets out of prison and hopes to spend time with his daughter---and go to strip clubs with her coworkers.

When the deputies grow dissatisfied with their undercover assignments, they hire a Hollywood acting coach (Ryan Stiles) to help them behave more like criminals and drug addicts.

The deputies feel a bit of nostalgic about their old cases when they transfer video evidence from VHS tapes to DVD.

As Jim finally gets a chance to present his Princess Diana tribute, the rest of the deputies have their hands full as a "Jesus Christ Superstar" touring company arrive in Reno.

Strange lights are reported in the desert, and mysterious, unnamed deputies show up around the station.