Alan and Jake meet Walden Schmidt, a broken-hearted billionaire.
26 September, 2011720p
S9 E2 - People Who Love Peepholes
Walden deals with his ex-wife, Bridget.
03 October, 2011720p
S9 E3 - Big Girls Don't Throw Food
Alan prepares Walden for a date with Bridget, while Jake decides to emulate Walden and drop out of school.
10 October, 2011720p
S9 E4 - Nine Magic Fingers
Walden goes looking for Mrs. Right while Alan has an opportunity to reconcile with Lyndsey.
17 October, 2011720p
S9 E5 - A Giant Cat Holding a Churro
Alan has trouble accepting Lyndsey's seedy movie past, and Walden tries to cheer him up by throwing a party.
24 October, 2011720p
S9 E6 - The Squat and the Hover
Walden receives divorce papers from Bridget, but forgets his depression when he meets a girl who looks eerily like her.
31 October, 2011720p
S9 E7 - Those Fancy Japanese Toilets
Jake has a crush on his chemistry tutor, who has a crush on Walden. Meanwhile, Alan obsesses over the journal his brother left him in his will.
07 November, 2011720p
S9 E8 - Thank You for the Intercourse
When Walden begins redecorating the beach house, Alan becomes overly emotional.
14 November, 2011720p
S9 E9 - Frodo's Headshots
Upon his release from the hospital, Alan is met with a slew of challenges that test his ability to cope.
21 November, 2011720p
S9 E10 - A Fishbowl Full of Glass Eyes
Walden hits it off with a British babe, but neither of them is sure he's ready to re-enter the dating world.
05 December, 2011720p
S9 E11 - What a Lovely Landing Strip
Walden is trying his best to impress his new love interest when Bridget reappears in his life.
12 December, 2011720p
S9 E12 - One False Move, Zimbabwe!
Walden's mother arrives and Alan is smitten with her, even as she reveals a secret about Walden's past that sends him into a downward spiral.
02 January, 2012720p
S9 E13 - Slowly and in a Circular Fashion
Walden’s ex-wife and mother try to take control of his company, so he turns to Alan for help.
16 January, 2012720p
S9 E14 - A Possum on Chemo
Zoey tries to convince Walden to cut his hair and shave; Alan and Lyndsey revive their relationship.
06 February, 2012720p
S9 E15 - The Duchess of Dull-in-Sack
Walden tries to loosen Zooey up by sharing some of Berta's special brownies.
13 February, 2012720p
S9 E16 - Sips, Sonnets and Sodomy
Strained relationships and girl-fighting result when a huge storm traps Walden, Alan, Zoey and Lyndsey in the house on Valentine's Day.
20 February, 2012720p
S9 E17 - Not in My Mouth!
Walden and Zoey's relationship suffers after they share a near-death experience. Meanwhile, Alan wonders if Lyndsey has a drinking problem.
27 February, 2012720p
S9 E18 - The War Against Gingivitis
Walden's ex-business partner shows up at the beach house looking to make peace.
19 March, 2012720p
S9 E19 - Palmdale, Ech
Alan and Lyndsey introduce their mothers. Jake and Eldridge get a ride from Walden to a party.
09 April, 2012720p
S9 E20 - Grandma's Pie
Walden breaks the news to Zoey that he is going into business with his ex-wife. Alan and Lyndsey try to cope with their mom's relationship.
16 April, 2012720p
S9 E21 - Mr. Hose Says 'Yes'
Walden's commitment is tested when Zoey and her daughter come to live with him. Meanwhile, Alan gets more than he bargained for when he moves in with Lyndsey
30 April, 2012720p
S9 E22 - Why We Gave Up Women
Charlie's ghost pays a visit to Alan after he suffers a minor heart attack.
07 May, 2012720p
S9 E23 - The Straw in My Donut Hole
Alan is showered with love and affection upon returning from the hospital, but Zoey isn’t so sure it’s deserved.
14 May, 2012720p
S9 E24 - Oh Look! Al-Qaeda!
Jake is pressured to make a decision about his future.
