Comedian Russell Peters guest starts in this episode as he asks Mark and his friends to help him search for the lost city of Atlantis.
Woody decides to teach Mark how to live dangerously when he believes that he is too safe. But his teachings work too well as Mark winds up going up against the Dragons Boys in a drag race which ends with him being kidnapped by the Mob.
The gang heads to Rome where VJ sets off in search for the Holy Grail of Porn, while Mark hooks up with his old high school sweetheart.
While hungover after having a huge St. Patrick's Day party, Mark, Woody and VJ discover that they have kidnapped a real live leprechaun. When the leprechaun's daughter finds them, she places a curse on the guys, claiming that their luck will change. The guys don't believe it until strange things start happening to them. Meanwhile, Sam pretends to be insane so she can enter a mental hospital, where a famous rock star is a patient at, and try to convince him to perform at an upcoming concert. But Sam soon enjoys all the perks at the hospital and decides that she doesn't want to leave.moreless
Sam goes under cover to help the police catch a serial killer who is going after girls that have perfect figures. Meanwhile, Mark hooks up with three different girls, not knowing that they are all spies who are trying to get their hands on his new shoes.