Alan’s on-again, off-again relationship with Lyndsey is back on; Zoey goes to extremes to make Walden get a shave and a haircut.
Walden’s ex-wife and mother try to take control of his company, so he turns to Alan for help
Alan falls for Walden’s mom during her visit, in which she reveals a devastating secret.
Bridget reappears just as Walden is romancing a new love interest.
Alan comes home from the hospital and encounters a series of daunting challenges.
Walden redecorates, and the change unsettles Alan as it prompts him to think of losing Charlie.
Jake develops a crush on his Japanese tutor, and his tutor has a crush on Walden. Meanwhile, Alan is fascinated by Charlie’s journal, which Charlie left to him.
Walden receives divorce papers, but then he meets a woman who looks just like Bridget.
Alan has trouble accepting Lyndsey’s seedy movie past, and Walden tries to cheer him up by throwing a party.
Walden looks for Mrs. Right, and Alan wants Lyndsey back in his life