Evelyn demands Jake spend a night at her place when she finds out he spent Spring Break with Judith's parents. Neither Alan nor Charlie are keen on the idea, but going to a bar after dropping off Jake quickly erases their concerns.

After Chelsea discovers a nude picture of another woman on Charlie's cell phone, he blows off steam by going out for a night of drinking with Alan, Herb and his neighbor.

Berta's granddaughter spends the day at Charlie's, which isn't a problem until he learns she's a beautiful, rebellious 16-year-old.

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.

CSIs investigate a death at Charlie's house.

Charlie finds himself in an uncomfortable position when Jake takes off with the daughter of a former NFL player. Charlie's Mercedes proves a boon to Alan's love life.

While overcoming a bad break-up, Chelsea invites her beautiful college roommate to stay at the house.

Charlie is stunned to learn his ex-girlfriend is now a man.

When Jake repeats one of Charlie's sexist remarks in front of Judith's support group, the women convince Judith to stop Jake's visits with his dad and Charlie.

Ignoring Alan's warnings, Charlie continues to date Isabella until she threatens to put a curse on his manhood.

Alan has trouble deciding if he should bring his younger girlfriend to Jake's birthday party to meet his mom and his ex-wife. Rose tries to get her boyfriend to act more like Charlie.

Charlie writes a children’s song and finds success as Charlie Waffles. The children love him and the mothers seem to as well. Charlie's new found fame irritates Alan.

When Jake finds out that Alan has been dating Eldridge's mom, he packs up and heads to Judith and Herb's. Meanwhile, Charlie decides it's time to cut back on boozing.

Judith is upset with Alan and Charlie when she learns that a surfer who uses Charlie's shower walks around half naked in front of Jake . Then Alan's worried when Judith and the surfer become friends.

Charlie unknowingly sleeps with an older man's trophy wife while Jake has to read a paper to his class.

Charlie tricks Jake into taking ballet lessons, so he can get close to the teacher.

Alan starts dating a woman with a Martha Stewart complex. Before long she's running the house with an obsession for perfection.

Alan tries to win Kandi back. Meanwhile, Charlie starts to sleep with her mom, Mandi, and Judith gets set up with her father, Andy.

Charlie is dating a woman whose personality and life are like his mother’s.

Charlie starts to question his relationship with Chelsea when he hears that Mia is back in town. Meanwhile, Judith goes into labor and Charlie, Alan and Herb rush her to the hospital, on the sixth season finale.

When Judith decides to take a vacation, the brothers have to take care of Jake during the week. Alan finds it challenging, and even forgets to pick up Jake from soccer practice. When Alan finds out that he has to go to the I.R.S. because they're auditing him, he forces Charlie to take care of Jake, and Charlie doesn't do any better then Alan.

Charlie arranges a romantic date with Mia in the hopes of consummating their relationship. Alan begins to date Charlie's most recent ex-girlfriend.

Alan looks forward to Judith's wedding, while Charlie and Myra continue their romance.

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'

Charlie has to remove a half-naked woman from his bedroom before Chelsea arrives.