Season 2 (2011-2012) Edit

Screenshot T# S# Title Original airdate
Callie Maggotbone in Bikini 15 2.01 Wet Hot Demonic Summer June 30, 2011
The demons try to get into Mt. Magic to slaughter all wizards. Twayne's strategy involves building a summer camp with Mark as the head counselor.
Lillith and Callie 16 2.02 Callie and Her Sister July 7, 2011
Callie refuses to go through with her arranged marriage to Twayne, and asks Mark to move in with her. Her parents temporarily get back together and have a second daughter to take her spot. Mark and Callie are forced to act as substitute parents for Callie's younger, hotter and fast-growing sister, who has evil plans of her own.
Slitherax 2 17 2.03 Ride Me to Hell July 14, 2011
The ending of his favorite TV series sends Grimes off the deep end. Mark has to help him get to the bottom of his inexplicable attachment to the show, uncovering a deep seated memory along the way.
Twayne and Drill Sergeant 18 2.04 G.I. Twayne July 21, 2011
Twayne is drafted into Satan's Dark Army. When Mark is forced to join him, he discovers a plan to end humanity.
Victoria and her mate 19 2.05 The Ring of Powers July 28, 2011
Mark accidentally puts on a magical engagement ring belonging to Leonard and starts up a long-postponed wedding.
Clone Mark and Tad Monkeybottom 20 2.06 Attack of Mark's Clone August 4, 2011
Callie has created a clone of Mark to win a bowling tournament. But the clone takes a peep at Callie's diary, and decides to get revenge on her.
Fantasy lab - Erik, Callie, Mark, Aldermach 2x07 21 2.07 Wail Street August 11, 2011
Randall puts Mark's soul up for sale. Grimes pursues his dream of creating a pop music act with a teen sensation.
Son 22 2.08 Little Ship of Horrors August 18, 2011
Twayne throws a company party aboard a cruise ship, and Randall gets sick from dangerous magical pollens.
Vest 23 2.09 Lilly and the Beast August 25, 2011
Callie reveals to Mark that she has been sleeping with other guys. At the same time, Mark's college girlfriend returns to his life.
Mummy Sand 24 2.10 Mummy Dearest September 1, 2011
Grimes' "mummy" returns and causes trouble in the Department of Integration. Meanwhile, Randall feels neglected by Mark.
Shrinking Spell 1 25 2.11 Journey to the Center of Twayne March 14, 2012

Mark, Grimes and Leonard chase an arsonist ant man inside Twayne's nose.

Fball 26 2.12 Any Given Workday March 21, 2012

The department's intramural football game is coming up, but Mark is a terrible player. When Randall demonstrates the power of his new arm, Twayne gives him a job at the D.O.I. as the team's ringer, and Mark's superior.

Twayne's roast Randall hosting 27 2.13 The Roast of Twayne the Boneraper March 28, 2012

After working at the Department of Integration for the past 10 years, the crew gives Twayne a roast.

Thekraken 28 2.14 Mark Loves Dick April 4, 2012

Callie gets a promotion as the new ambassador to Atlantis by turning herself into a male.

Epi 29 2.15 The Stalking Dead April 11, 2012

When the country's biggest musician turns into a zombie and thousands of her devoted fans do the same, Mark befriends one of them. Randall has to deal with his jealousy issues.

Batboy 30 2.16 The Dork Knight April 18, 2012

Mark is bitten by a bat boy and becomes a masked crime fighter.

Love 31 2.17 Fools for Love April 25, 2012

Mark attempts to take his relationship with Callie to the next level, on April Fool's Day.