1. Nangnangnangnang

Charlie's long-lost daughter Jenny shows up in the premiere.

2. I think I banged Lucille Ball

Jenny (AMBER TAMBLYN) moves in with Evelyn (HOLLAND TAYLOR).

3. This unblessed biscuit

Walden and Alan think it may be time for Berta to retire.

4. Clank, clank, drunken skank

Walden starts partying with Jenny and her hot friends.

5. Alan Harper, Pleasing Women Since 2003

Alan befriends Lyndsey's boyfriend (D.B. SWEENEY).

6. Justice in star-spangled hot pants

Alan asks Walden to set him up on a date with LYNDA CARTER.

7. Some kind of lesbian zombie

Lyndsey's jealousy ruins Alan's date with a beautiful woman.

8. Mr. Walden, he die. I clean room.

Alan and Lyndsey's illicit affair puts Walden in danger.

9. Numero uno accidente lawyer

Walden's date with an accident-prone model won't end.

10. On Vodka, on Soda, on Blender, on Mixer!

Walden helps Jenny get a second date with a one-night stand.

11. Tazed in the lady nuts

Walden joins his beautiful former employee on a new project.

12. Baseball. Boobs. Boobs. Baseball.

Alan lets Lyndsey's boyfriend Larry set him up on a date.

13. Bite me, Supreme Court

Walden & Alan throw Marty a bachelor party with old friends.

14. Three Fingers of Crème de Menthe

Walden sets out to prove that he's a man's man.

15. Cab fare and a bottle of penicillin

Alan makes Lyndsey choose between him or Larry.

16. How to get rid of Alan Harper

Walden suspects his new girlfriend is cheating on him.

17. Welcome home, Jake

Lyndsey discovers that Alan is sleeping with Larry's sister.

18. West side story

Walden's ex-girlfriend invites him to her boutique opening.

19. Lan mao shi zai wuding shang

MILA KUNIS guest stars as Walden's new love interest.

20. Lotta delis in Little Armenia

Alan stumbles upon a money-making opportunity.

21. Dial 1-900-mix-a-lot

Gretchen insists that Alan confess his identity to Larry.

22. Oh, WALD-E, good times ahead

Alan confesses his true identity on the season finale.