A very polite stranger on the run from the mob crashes Christine's anniversary party in honor of Charles and Diana.

The courtroom is in panic as the gang races to clear 207 cases in one session so a millionaire will donate money to save an orphanage.

An old flame of Harry's drops by to renew their relationship but conveniently forgets to mention that she's married.

Yakov returns to get help in acquiring a visa to go back to Russia so he can visit his mother.

The gang sees a new side to their co-worker when they join Roz in an encounter group she's required to attend to mild her hostile attitude at work.

Harry becomes uncharacteristically negative and morose after an elderly judge dies as a result of Harry's pranks.

When Ralph's attractive niece visits, Jack is determined to go out with her and decides to pose as his own identical twin brother, but problems soon arise.

When Jack and Janet come home one evening after seeing a horror movie and discover that Cindy is not there, they decide that she has been kidnapped.

Jack tells a woman that he lives alone and borrows Ralph's apartment to impress her, but things soon take a turn for the worse when she catches him lying.

When Jack finds himself in the middle of a quarrel between a girl and her jealous boyfriend, Larry advises Jack to fake his own death and funeral.

After Cindy moves out to attend veterinary school at UCLA, Janet sets out to search for a new roommate; Jack has a bad experience with a nurse.

When Jack finds out that Janet's new roommate is the quarrelsome nurse he had trouble with at the hospital, Jack and Larry play a joke to get rid of her.

When Terri tries to make Jack feel better after he gets rejected, he and Janet misunderstand her intentions and think that Terri is coming on to him.

When Jack begins to give the wife of Janet's boss weekly cooking lessons, Terri starts to think that he is giving her love lessons and decides to move out.

After a robbery at the flower shop, the police feel Jack is in danger, so a police officer arrives at the apartment and lives with the trio to protect them.

When Terri invites her doctor friend to dinner to help him unwind from the stresses of work, Jack and Janet think that he is a patient of the psychiatric ward.

Jack has plans for a date with Janet, but when Larry offers him a date with "Greedy Gretchen," he lies to Janet about being too tired so that he can go out.

After beginning ballet lessons, Janet is excited to learn that her instructor, Michael, has chosen her for a leading role in one of his upcoming productions.

Janet has her eye on the bartender at the Regal Beagle, but her poor attempt at matchmaking results in the object of her affection going on a date with Terri.

When Angelino's daughter falls for Jack, he's forbidden to go out with her, and as she becomes more insistent, Jack must convince her that he's happily married.

After an attack on him by a drunk at the Beagle, Jack learns a few self-defense moves from Terri to prevent any future instances.

Jack plans on serenading his girlfriend with a song outside of her apartment, but chaos ensues when he taps on the window of her less attractive neighbor.

After Raymond accidentally kills Ally's pet hamster, Debra insists that he give it a proper funeral to help their daughter get closure.

Raymond is crushed to learn that a publishing company has passed on his idea for a sports book, as Robert is promoted to lieutenant.

Ray feels guilty when he meets a woman that he dated 25 years earlier; Ray can't think of anything that he regrets when pressed by Debra for a confession.

Marie and Debra express their sincere disapproval when Robert begins a relationship with a 22-year-old girl; Frank's birthday soon turns into a disaster.

Alan is thinking about breaking up with his girlfriend but he is unsure how to go about doing it, so Charlie lends him some advice on ending relationships.

After returning home from her trip to England, a concerned Rose notices that Charlie is extremely sick, so she makes it her mission to nurse him back to health.

Alan starts dating Cynthia, one of his ex-wife's friends, and he is surprised after she reveals an interesting secret about Judith's intimate life.

After agreeing to accompany his nephew on a multi-generational double date, Charlie sets Alan up with a prostitute so he won't be left out of the romance.

Alan begins to think that Charlie's philandering ways are getting completely out of control; Charlie's therapist and his ex-fiancée Mia resurface.

While Alan is busy planning Evelyn's wedding to her wealthy fiancé Teddy, Charlie has his sights set on Courtney, his devious future step-sister.

An unexplained death at Charlie and Alan's house prompts the CSI team to launch a special investigation while Charlie and Courtney grow closer.

Charlie finds himself attracted to an older woman who writes self-help books; Alan and Jake engage in a battle over a homework assignment.

Alex plans a birthday bash for Evan; Georgie fears tippling Teddy will cause trouble; Frankie is torn between business and pleasure.

Charlie must resist temptation when he meets the grown daughter of the older woman he has been dating and realizes that it isn't their first encounter.