Manbird season hits New York City, and Mark finds himself the guardian of a fledgling separated from its flock.

Twayne and Callie build a summer camp to cover up their raid on a wizard training ground.

Mark helps Leonard with his magic wand issues, and Twayne Boneraper meets his two-dimensional soulmate.

Twayne quits after getting roasted at his DOI 10-year anniversary party, leaving Mark in charge.

When his favorite TV series ends with a dumb twist, Grimes has a complete mental breakdown.

A Lilliputian arsonist escapes Mark's custody and finds an unlikely hiding place in Twayne's nose.

After being drafted into Satan's dark army, Twayne and Mark must do their patriotic duty and end the world.

Randall's new arm lands him on the DOI's intramural football team, and Callie pimps out Leonard.

A New York Department of Integration social worker helps supernatural creatures adapt to city life.

Mark cares for an undocumented werewolf, and Leonard envies his famous magician brother, Christ Angel.

An obsessive-compulsive giant ape needs a job, and Callie struggles with her sudden attraction to Twayne.

Randall shambles his way onto an all-creature reality show, and a troll wrestles with riddle addiction.

Callie goes baby-crazy when Mark fosters a demon orphan, and Twayne notices odd changes in his body.

Mark accidentally outs Randall as a zombie, and Leonard tries to identify a strange new creature.

Mark helps an old tree get its groove back, and Randall loses his favorite non-vital organ.

Mark walks a young couple through the trials of vampire love, and "Larry King disease" ravages New York City.

Randall joins a zombie cult, and Mark performs psychiatric evaluations on his coworkers.

Councilman Fitzpatrick sells his soul to Twayne, and Callie considers a cushy job in Hell.

Mark and Randall spend Halloween with Callie's family, and Leonard tries to find people to live in a haunted house.

Mark and Randall teach a sexed up robot self-control, and Callie mixes up Mark in a demonic ritual.

Callie must care for her younger, hotter demon sister, who happens to be engaged to Twayne.

Mark accidentally reactivates Leonard's magical arranged marriage.

Callie makes an evil Mark clone to compete in the DOI bowling league tournament.

Randall tries to make a quick buck on the Soul Exchange by selling off Mark's immortal soul.

Randall is infected by horrifying plants at sea when Twayne throws a cruise ship party.

Mark hooks up with an old girlfriend to test his open relationship.

Grimes' judgmental mother rises from the dead, and a neglected Randall reconsiders his living situation.

Callie is promptly promoted after turning into a man, causing strife in her relationship with Mark.

Lady Hoo-Ha, America's most adored pop star, goes zombie, and her many devoted fans follow suit.

A rabid Bat Boy takes a bite out of Mark, transforming him into New York City's latest superhero.

Callie's psychotic, prankster ex-boyfriend escapes from an asylum and wreaks havoc on Mark's life.