E18 • The War Against Gingivitis

E1 • Nice To Meet You, Walden Schmidt

After saying goodbye to the late Charlie Harper, Alan meets Walden Schmidt (Ashton Kutcher), a broken-hearted billionaire.

21m • 2011

After saying goodbye to the late Charlie Harper, Alan meets Walden Schmidt (Ashton Kutcher), a broken-hearted billionaire.

E2 • People Who Love Peepholes

Walden has Alan come along for the ride when he tries to get his ex-wife Bridget to take him back.

21m • 2011

Walden has Alan come along for the ride when he tries to get his ex-wife Bridget to take him back.

E3 • Big Girls Don't Throw Food

Walden hopes to start the process of winning back Bridget by taking her to dinner and seeks Alan's advice. Meanwhile, Jake gets ideas in his head when he learns Walden is a high school drop-out.

19m • 2011

Walden hopes to start the process of winning back Bridget by taking her to dinner and seeks Alan's advice. Meanwhile, Jake gets ideas in his head when he learns Walden is a high school drop-out.

E4 • Nine Magic Fingers

Alan encounters a chance to reconcile with Lyndsey while Walden seeks to move on from Bridget.

20m • 2011

Alan encounters a chance to reconcile with Lyndsey while Walden seeks to move on from Bridget.

E5 • A Giant Cat Holding a Churro

Alan isn't thrilled when he learns of Lyndsey's past so Walden hosts an impromptu party to lift his spirits.

20m • 2011

Alan isn't thrilled when he learns of Lyndsey's past so Walden hosts an impromptu party to lift his spirits.

E6 • The Squat And The Hover

Depressed after receiving his divorce papers, Walden cheers up when he meets a woman who looks very similar to Bridget.

20m • 2011

Depressed after receiving his divorce papers, Walden cheers up when he meets a woman who looks very similar to Bridget.

E7 • Those Fancy Japanese Toilets

Walden hires Evelyn as his interior designer but Alan fears she may have ulterior motives. Jake crushes on his chemistry tutor, who in turn has a crush on Walden, and Alan can't stop reading Charlie's old journal.

19m • 2011

Walden hires Evelyn as his interior designer but Alan fears she may have ulterior motives. Jake crushes on his chemistry tutor, who in turn has a crush on Walden, and Alan can't stop reading Charlie's old journal.

E8 • Thank You For The Intercourse

When Walden sells Charlie's piano, Alan goes off the deep end and starts channelling his inner Charlie.

21m • 2011

When Walden sells Charlie's piano, Alan goes off the deep end and starts channelling his inner Charlie.

E9 • Frodo’s Headshots

After being released from the mental hospital, Alan is faced with a number of shocking events that test his mental stability.

21m • 2011

After being released from the mental hospital, Alan is faced with a number of shocking events that test his mental stability.

E10 • A Fishbowl Full Of Glass Eyes

As Walden hopes to put Bridget in the past and dips back into the world of dating, Alan hopes a pawn shop will be the solution to his financial woes.

21m • 2011

As Walden hopes to put Bridget in the past and dips back into the world of dating, Alan hopes a pawn shop will be the solution to his financial woes.

E11 • What A Lovely Landing Strip

Walden hopes to move things forward with Zoey but Bridget's reappearance complicates matters.

19m • 2011

Walden hopes to move things forward with Zoey but Bridget's reappearance complicates matters.

E12 • One False Move, Zimbabwe!

Walden's mother visits, dropping a secret about him as well as leaving Alan smitten.

20m • 2011

Walden's mother visits, dropping a secret about him as well as leaving Alan smitten.

E13 • Slowly And In A Circular Fashion

Walden needs Alan and Zoey to help when Bridget and his mother look to wrest away control of his company.

19m • 2011

Walden needs Alan and Zoey to help when Bridget and his mother look to wrest away control of his company.

E14 • A Possum On Chemo

Zoey wants Walden to take on a more clean-cut look. Meanwhile, Alan and Lyndsey reconnect.

20m • 2011

Zoey wants Walden to take on a more clean-cut look. Meanwhile, Alan and Lyndsey reconnect.

E15 • The Duchess Of Dull-In-Sack

When Walden feels Zoey is a bit stiff in the bedroom, Berta suggests a few of her marijuana brownies might loosen her up a bit.

21m • 2011

When Walden feels Zoey is a bit stiff in the bedroom, Berta suggests a few of her marijuana brownies might loosen her up a bit.

E16 • Sips, Sonnets And Sodomy

Alan and Walden have to deal with Zoey and Lyndsey's antagonism towards each other when a storm traps them all at the beach house.

19m • 2011

Alan and Walden have to deal with Zoey and Lyndsey's antagonism towards each other when a storm traps them all at the beach house.

E17 • Not In My Mouth

Walden's miffed that Zoey didn't reciprocate after he blurted out "I love you" when his jet hit violent turbulence. Alan thinks Lyndsey is drinking too much.

18m • 2011

Walden's miffed that Zoey didn't reciprocate after he blurted out "I love you" when his jet hit violent turbulence. Alan thinks Lyndsey is drinking too much.

E18 • The War Against Gingivitis

Walden's former business partner shows up, looking to patch the rift between them.

21m • 2011

Walden's former business partner shows up, looking to patch the rift between them.

E19 • Palmdale, Ech

When Lyndsey's mother comes for a visit, Alan suggests she meets Evelyn. Walden is stuck hearing out iPhone app ideas from Jake and Eldridge.

20m • 2011

When Lyndsey's mother comes for a visit, Alan suggests she meets Evelyn. Walden is stuck hearing out iPhone app ideas from Jake and Eldridge.

E20 • Grandma's Pie

Walden knows Zoey won't be thrilled to learn Bridget is a partner in his new venture with Billy. Meanwhile, Alan and Lyndsey try to cope with their mothers dating each other and deal with Eldridge and Jake's questions.

20m • 2011

Walden knows Zoey won't be thrilled to learn Bridget is a partner in his new venture with Billy. Meanwhile, Alan and Lyndsey try to cope with their mothers dating each other and deal with Eldridge and Jake's questions.

E21 • Mr. Hose Says Yes

When Zoey and Ava move in, Walden finds out if his commitment is up to the test. Meanwhile, Alan has his own challenges when he moves in with Lyndsey.

20m • 2011

When Zoey and Ava move in, Walden finds out if his commitment is up to the test. Meanwhile, Alan has his own challenges when he moves in with Lyndsey.

E22 • Why We Gave Up Women

After suffering a minor heart attack, Alan is visited by Charlie's ghost while in the hospital.

21m • 2011

After suffering a minor heart attack, Alan is visited by Charlie's ghost while in the hospital.

E23 • The Straw In My Donut Hole

Zoey suspects Alan doesn't really deserve all the love and attention he's getting following his release from the hospital.

20m • 2011

Zoey suspects Alan doesn't really deserve all the love and attention he's getting following his release from the hospital.

E24 • Oh Look! Al-Qaeda!

Having graduated high school, Jake and Eldridge face new urgency to face their adult lives.

21m • 2011

Having graduated high school, Jake and Eldridge face new urgency to face their adult lives.