Brad Grunberg

Barney wants Robin to become an American citizen; Lily joins Marshall and Ted on their road trip.

Max and Caroline try to prove their cleaning skills to Sophie so she will hire them for her maid service.

Dexter and Lumen stalk a violent killer; Batista makes a difficult decision when Debra gets into some trouble from the fallout of the Santa Muerte case.

House and the team treat a high-profile fitness trainer who collapses while shooting an infomercial; Thirteen participates in a clinical trial led by Foreman.

Kelly (David Caruso) goes after the mobsters responsible for gunning down his partner. With Dennis Franz.

Dre and his colleagues create a holiday initiative called Daddy's Day -- everything that Father's Day is not; Junior tries to help Bow around the house.