1. Nice to Meet You, Walden Schmidt

ASHTON KUTCHER joins the cast in the season premiere.

2. People Who Love Peepholes

JUDY GREER is introduced as Bridget, Walden's ex-wife.

3. Big Girls Don't Throw Food

Alan prepares Walden for a date with Bridget.

4. Nine Magic Fingers

On the rebound, Walden goes looking for Mrs. Right.

5. A Giant Cat Holding a Churro

Alan struggles with Lyndsey's risqué movie past.

6. The Squat and Hover

Walden meets a girl who looks just like Bridget.

7. Those Fancy Japanese Toilets

Jake's crush (MACEY CRUTHIRD) has a crush on Walden.

8. Thanks for the Intercourse

Walden's redecorating sends Alan over the edge.

9. Frodo's Headshots

Alan's sanity is tested upon release from the hospital.

10. A Fishbowl Full of Glass Eyes

Walden tentatively re-enters the dating world.

11. A Lovely Landing Strip

Bridget reappears in Walden's life... and so does Rose!

12. One False Move, Zimbabwe!

Walden's mom (MIMI ROGERS) reveals a secret about his past.

13. Slowly and in a Circular Fashion

Walden enlists Alan as an ally in a boardroom battle.

14. A Possum on Chemo

Zoey pressures Walden to trim his hair and beard.

15. The Duchess of Dull-in-Sack

Walden tries to loosen up Zoey by sharing a couple of Berta’s “special” brownies... More

16. Sips, sonnets and sodomy

A storm traps Walden, Alan, Zoey and Lyndsey in the house.

17. Not in My Mouth!

Walden shares his feelings during a near-death experience.

18. The War Against Gingivitis

PATTON OSWALT stars as Walden's ex-business partner.

19. Palmdale, ech

Alan and Lyndsey introduce their mothers to one another.

20. Grandma's Pie

Walden tells Zoey he's going into business with his ex-wife.

21. Mr. Hose says "Yes"

Zoey and Ava move in with Walden on a trial basis.

22. Why We Gave Up Women

Charlie Harper returns from hell in the form of KATHY BATES.

23. The Straw in My Donut Hole

On the 200th episode, Alan returns home from the hospital.

24. Oh Look! Al-Qaeda!

Jake decides his future in the ninth season finale.