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1. Bölüm Charlie returns to his bachelor lifestyle after Alan moves out of the house. Alan suffers a breakdown after his divorce from Kandi.
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2. Bölüm Charlie finally tells Alan that he didn't marry Mia because she wanted Alan and Jake to move out of the house, but Alan finds a hole in his logic. Charlie and Alan deal with a noisy neighbor who constantly sings all the time, who happens to be Steven Tyler.
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3. Bölüm Charlie tries to surf to impress Dottie, a beautiful woman he just met, but after he nearly drowns he is convinced that he saw his late father.
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4. Bölüm Alan tries to hire his ex-wife's lawyer to help him win custody over the dog he and Kandi shared.
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5. Bölüm Alan is overjoyed by the prospect of Judith remarrying, as he would no longer have to pay alimony. Alan gets Charlie to help him when it looks like the marriage maybe derailed due to Jake’s dislike of his mother’s fiancé.
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6. Bölüm Charlie is dating a woman whose personality and life are like his mother’s.
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7. Bölüm Berta's daughter, Naomi is pregnant and Berta drags Charlie with her when she confronts the baby’s father. Alan reveals a secret fetish.
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8. Bölüm Alan suffers from insomnia. He visits his psychiatrist, who reveals that the cause of Alan's sleepless nights is his jealousy towards Charlie, and his inability to glide through life.
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9. Bölüm Charlie gets tired of Alan's mooching and reaches the breaking point during the brothers' double date. Jake is left home alone for the first time.
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10. Bölüm Worrying Charlie may get rid of one of them, Berta and Lydia fight over him. Meanwhile, Kandi does everything she can to stop Alan from selling their condo.
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11. Bölüm Charlie's friends and family put a crimp in his plan for a romantic Christmas Eve date. When Evelyn sees who the date is, she goes to great lengths to force a wedge between them.
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12. Bölüm Berta discovers that Alan has been dating her daughter Naomi.
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13. Bölüm Jake shares that he has heard his mother having sex with her fiancée, Herb; this revelation brings up a repressed memory for Charlie. This leads Charlie to seek help from Rose.
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14. Bölüm Charlie sets Alan up with their new neighbour. But he gets jealous when the two form a bond.
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15. Bölüm Rose is moving to London, and Charlie is surprised by his reaction to the news. Alan lies to a woman he met online.
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16. Bölüm Charlie's young, hot girlfriend takes him to a new club. She invites Alan to meet one of her friends but the men are shocked to learn that they are considered as being "old".
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17. Bölüm After Evelyn tells Alan and Charlie how she feels about there being no mourners at her friend’s funeral, the boys share their feelings that this could also be the case at her funeral. Evelyn tries to prove them wrong by introducing them to a couple she help adopt a boy from China. The boys return fire by inviting the young man to a play date with Jake.
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18. Bölüm Alan tries to bond with Jake when he realizes that his childhood is almost over. Kandi pursues a career in acting.
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19. Bölüm Charlie takes a liking to Myra, the witty sister of Judith's fiancé, Herb.
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20. Bölüm Alan looks forward to Judith's wedding, while Charlie and Myra continue their romance.
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21. Bölüm Alan and Charlie re-examine their sexual identities after Alan befriends Greg, a gay man. Meanwhile, Jake has a crush on Greg's daughter.
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22. Bölüm Jake gets lucky after Charlie takes him to the racetrack. Meanwhile, Alan has a difficult time at the DMV.
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23. Bölüm Charlie is shocked when the handyman working on his house beats him out for Chloe's affections. Alan has no sympathy for Charlie’s distress.
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24. Bölüm Evelyn's boyfriend, Teddy, invites Alan and Charlie to go with him to Las Vegas on his private jet. The boys confront their individual 'daddy issues'