Mark Roman

Jess meets Sam’s female best friend, Diane. Meanwhile, Nick is worried Gavin will disappoint Schmidt again and Winston is offended by a reaction to a birthday gift.

Shortly after sailors invade the streets of Boston for Fleet Week, a young girl is found dead. Frost's father (guest star ERNIE HUDSON - Oz, Ghostbusters), a Navy admiral, comes to town, causing tension between the two. Plus, Maura goes on a date with Angela's mechanic (guest star MATTHEW DEL NEGRO - United States of Tara, Parenthood).

All is revealed in the ninth season premiere when ASHTON KUTCHER joins the cast as Walden Schmidt, an Internet billionaire with a broken heart.

Things get tense in the Malibu house when Walden's estranged ex-business partner, Billy (guest star PATTON OSWALT), shows up looking to bury the hatchet with a money-making idea. Will their combustible relationship get in the way of their success? Meanwhile, a lonely Alan pays a visit to Berta.

In order to woo a girl he’s been chasing who’s an event planner, Russell (David Spade) throws Timmy (Adhir Kalyan) a party celebrating his citizenship, despite his being a citizen for over 10 years. Later at the party, Jennifer (Bianca Kajlich) causes a disturbance and, with the help of Adam (Oliver Hudson), blames two twins attending the party. Meanwhile, Audrey (Megyn Price) and Jeff (Patrick Warburton) find out that their surrogate Brenda (guest star Sara Rue) might be pregnant with twins.