Two and a Half Men, Welcome to Alancrest

Walden plans a surprise for Zoey's birthday on the premiere.

Following his break-up with Zoey, Walden has a breakdown.

Alan and Lyndsey decide to spice up their love life.

Walden feels his age when a friend's daughter comes to visit

Rose (MELANIE LYNSKEY) returns...and she's after Walden!

Walden has to choose between Rose and Zoey.

Walden hires an actress to play his girlfriend.

Lyndsey wants Alan to make a commitment.

Alan's super-hot ex-wife (APRIL BOWLBY) wants him back.

Walden creates a new poorer identity to help him find love.

Walden juggles having two identities.

Walden and Alan switch roles -- to help Kate's fashion line.

Walden reveals the truth about his identity to Kate in song!

Alan refuses to give Lyndsey a key to the beach house!

Jake returns home with his older girlfriend (JAIME PRESSLY).

Walden tries to win Kate back on Valentine's Day.

Walden meets his ex-wife at a high-end singles mixer.

Alan moves in with Herb after a fight with Walden.

Walden and Alan cheer up Herb with a nonstop party.

Jake cheats on his girlfriend... with her teenage daughter!

Alan's devastated after his breakup with Lyndsey!

Alan gets a 'breakover' (i.e. post-breakup makeover)!

On the season finale, Walden dates a girl & her grandmother!