The relationship between Walden and Zoey takes a damaging shot when the two share a near-death experience; Alan wonders if Lyndsey has a drinking problem.
Larry attempts to have some alone time with his newest girlfriend at his boss' secluded cabin, but problems soon arise when the whole gang decides to join.
Chrissy is taken to the hospital after she suffers a fall, but a misleading comment from the doctor leads Janet and Jack to think that their roommate is dying.
After losing Jack's tuition check, Chrissy places her roommate in jeopardy by borrowing money from a loan shark; Jack and Chrissy must pretend to be married.
Jack becomes popular with his friends after they learn that he is allowed to invite one guest to accompany him on a cruise ship that has hired him as a cook.
Thanksgiving has rolled around again, and both Debra and Ray are bracing for the worst as all of the family members and in-laws gather for a first gathering.
Charlie tells Chelsea that he loves her, but she doesn't respond the way he had hoped, causing him to go to great lengths in order to get her to reciprocate.
Evelyn and Chelsea begin spending time together, making Charlie desperate to find a way to keep them apart; Evelyn out-wits Charlie by paying-off Alan and Jake.
Alan goes on a blind date with one of Chelsea's friends, but is shocked to find that the friend is Rose; Charlie is stunned when the two of them hit it off
Charlie reluctantly allows Chelsea to move in, as he mourns the loss of the bachelor pad; Alan and Jake must become acclimated to a woman in the house.
Alan and Lyndsey finally have the opportunity to introduce their mothers to one another; Jake and Eldridge ask Walden to drive them to a high school party.
Walden must break the news to Zoey that he plans on going into business with his ex-wife; Alan and Lyndsey come to terms with their moms' new relationship.
Chrissy and Janet turn against each other after reading an advice column in which a reader has written that he is dating one of his two female roommates.
Larry attempts to woo Janet after she comforts him following an unsuccessful date, and Janet attempts to change Larry's mind transforming into someone else.
Chrissy and Jack jokingly handcuff themselves together, but problems arise once the two realize that they do not have the key and Jack refuses to miss a date.
Janet hires an art student to redecorate her room, but Chrissy and Jack begin to believe that that the artist is seeking to be Janet's surrogate father.
The roommates agree to take in an orphaned boy who has run away from home, but problems arise when the youngster begins to play both the girls against Jack.