Sketches include terrorists planning their next move; a gangster trying to prove he's crazy; and an older brother's jealousy making a family dinner awkward.

Sketches include a class clown terrorizing a teacher; a man looking for love at a meeting of sex addicts; and performers getting kicked in the crotch for their art.

Sketches include Stan Lee pitching new superheroes; a man losing his street cred; and a man creating a mnemonic device to remember a parking spot.

Sketches include a man's morning ritual altered by an emergency; and a henchman cramps a supervillain's style. Also: Jordan reminds Keegan that he's a grown-up.

Sketches include a sex-crimes detective using unconventional methods to solve a case; an action hero rescuing his girlfriend; and an employee at a frozen-yogurt store indulging in too many samples

Sketches include a vampire revealing himself; the thwarting of a serial killer; and a child getting his wish.

Sketches include a concussed football player cheering his team on; a man accusing his wife of being unfaithful; and a restaurateur scaring away his customers.

Sketches include a mobster seeking vengeance on someone who wronged him; a baseball player fighting an addiction to unwanted bodily contact; and "Family Matters"' Steve Urkel driving a man insane.

Sketches include two women battling Satan; a man shopping for mattresses; and nightclub patrons confronting the truth about themselves.

Sketches include a parole officer who uses a puppet to connect with a parolee; a man in a neck brace at a party; and a soldier's emotional reunion with his family.

Sketches in the Season 4 premiere include an alien invasion of Earth; a family reacting to a gay relative's wedding; and surprising views from a couple of racists.