Episode list

Walden is forced to deal with two freeloading Harpers when Charlie's daughter that nobody knew he had arrives at the beach house.

Charlie's daughter Jenny moves in with Evelyn and her 91-1/2-year-old boyfriend; Lyndsey cheats on her new boyfriend with Alan.

Berta is injured on the job, and after getting in an argument with Walden over retirement, she decides to quit.

Walden makes a big mistake while partying with Jenny and her friends, and Alan has to make a big sacrifice to keep up appearances with Lyndsey.

Alan's jealousy over being the "other man" causes him to spy on Lyndsey's boyfriend, and Walden tries to get Jenny started with acting lessons.

Alan begs Walden to set him up with an old family friend, "Wonder Woman" TV star Lynda Carter.

Alan and Walden hook up with a pair of theme park princesses until Lyndsey's jealousy of Alan's new flame ruins everything.

A private investigator tells Lyndsey's boyfriend that she is cheating on him with Walden, and Rose tries to help keep Walden out of danger.

Walden has a date with an injury-prone model, and Alan sleeps with a woman who then reveals that she used to be a man.

Walden helps Jenny get a second date with a woman who is blowing her off, and Alan is propositioned by his new girlfriend's ex.

Walden is hired by a former employee he fired to write code for a new project, and Alan suffers an unfortunate tick bite while hiking with Jenny and her girlfriend.

Alan lets Lyndsey's boyfriend Larry set him up on a date, while Walden offers to help Nicole with her software project, so that she will have the time to date him.

Marty proposes to Evelyn, and she accepts. But after Alan and Walden throw Marty a bachelor party, he abruptly calls off the wedding.

After Alan learns that Lyndsey broke up with Larry and didn't tell him, he makes a big decision. Meanwhile, Walden sets out to prove that he's a man's man.

Alan turns to Judith for comfort after Lyndsey accepts Larry's marriage proposal; Jenny is worried that Brooke is blowing her off.

Alan takes an interest in Larry's sister after "Jeff Strongman" agrees to be his best man; Walden is concerned about his relationship with Nicole.

Lyndsey discovers that Alan is sleeping with Larry's sister Gretchen; Walden finds telling Barry to find his own place difficult.

Walden's reunion with his ex-girlfriend Kate does not go as planned, and Alan takes Gretchen over to "his apartment."

Just as Walden is considering proposing to Kate, he falls for a random stranger who arrives at his beach house. Meanwhile, Gretchen discovers that Alan's "Jeff Strongman" persona is a lie.

Walden's therapist tells him to have plenty of random casual sex to help get over falling in love too quickly, and Alan's new business venture provides him with the perfect opportunity.

Walden goes to Colorado with Jenny and Barry after he finds his first car. Meanwhile, Alan loses Gretchen after he considers telling Larry the truth about "Jeff Strongman."

When Alan and Gretchen get engaged and Larry calls off the wedding, Lyndsey goes off the deep end. Meanwhile, Walden creates a smart-aleck robot.