After Greg arranges for a frazzled Kim and Christine to have a break from the kids, he lets Jimmy talk him into taking the kids with them to a casino.

When Greg is surprised to find out Kim's still breast-feeding Sammy, he is even more surprised to find out the reason why.

Appearances can be deceiving, as the Warners and Hughes both have unexpected outcomes to outtings with parents of children that theirs befriended at a park.

When Kim and Christine's father visits, it brings resentment from Greg over the way he is always been treated by his father-in-law.

After Greg chooses to go partying with Jimmy for his birthday instead of to Disneyland with Kim and the kids, a chance meeting with Poison's Bret Michaels teaches Greg a lesson about his priorities.

Greg is left to take care of Sammy himself while Kim is at a craft fair selling her sleeve guards. Worse, Sammy watches Blue's Clues over and over again, and Greg must find a way out of having to watch the same Blue's Clues episode repeatedly. Meanwhile, the Hughes go to watch Jimmy at the security guards' softball game.

Guest Star: Steve Burns as himself

The Warners' feud with a neighbor endangers the Hughes' ability to stay in the guest house when it is learned their residency there violates the property's zoning unless he agrees to sign a waiver.

Greg receives a ticket from a red light camera from when Jimmy borrowed his car without asking. A borrowed camera gives Kim a new view into Christine and Jimmy's life.

Greg is ashamed when a frightened Sammy runs to Jimmy instead of him during a thunderstorm, and sets out to prove he is a man, too.

When his mother unexpectedly brings his father along during her visit, Greg and Jimmy take him to Las Vegas, leaving her to share too much information with Kim and Christine.

When Dominic comes home from a sleepover with an unwanted gift—head lice—an ashamed Jimmy and Christine keep quiet, but they quickly spread throughout the family, and beyond.

Kim's quick decision to hire an elderly nanny out of pity haunts her. Jimmy buys Dominic a toy robot dog, which Jimmy inadvertently breaks.

When Kim and Greg worry about treating their impending second child as well as their first, Christine and Jimmy realize they have taken Logan to The Wiggles concert.

Christine worries for Jimmy's safety after he captures a stalker in Heidi Klum's trailer. Kim takes action to combat Greg's increasing dependence on nasal spray.

Guest Stars: Heidi Klum as herself, Sam Rubin as himself

TLC's A Baby Story documents the days leading to the birth of Kim and Greg's new baby—a baby that everyone has an opinion on the naming of.

Jimmy arranges for Ernie Banks, Johnny Bench and Frank Robinson to visit his father, who claims to have coached them in the minor leagues, but the reunion is not what he expected.

Greg gets tickets to the NCAA Final Four, but they conflict with an 80th birthday party for Kim and Christine's grandmother.

Christine's desire to fit in better at school leads her to join a sorority, which in turn leads Jimmy to beg her to come home so he does not have to take care of the kids.

The days when Jimmy and Greg first met are recounted, including Jimmy trying to stop Kim from dating Greg.

When Jimmy gets accepted as a contestant on Big Brother, the thought of him and Christine having enough money to get their own place makes Greg takes drastic measures to see to it that Jimmy wins. Meanwhile, Christine realizes Jimmy's absence has resulted in calmer children.

Chuck Norris follows Jimmy to research his upcoming role as a security guard, and Jimmy discovers he is not what he expected him to be like.

Jimmy sees a chance to get even with his tough female supervisor when he learns Christine is a menace in the boxing ring.

Mr. Savitsky assigns Greg to look after a convicted criminal as part of a work release program he unknowingly agreed to.

Greg's invitation to his parents and Kim to attend an Los Angeles Lakers game in the owner's suite does not pan out the way he wanted.

When Greg disobeys Mr. Savitsky's orders to go see the premiere of Kevin Smith's new film, Jimmy takes his and Kim's studio badges, and he and Christine go in their place—which has repercussions for Greg when Jimmy, who doesn't know what Kevin looks like, tells the director to his face that his movie is terrible.

After a near-death experience, Jimmy finds a list he made of everything he ever wanted to do in life but did not—and plans to do everything on it while he still can, including having a song he wrote covered by John Hiatt.

Jimmy and Christine strive to move out of Greg's guesthouse and into the newly vacated place next door, but when Greg hits it off with an upper-class couple who are also prospective buyers, he hopes they become his new neighbors and not the Hughes.

Unable to find employment after giving up his job at Radford, Greg is forced to swallow his pride and take a position outside of the movie world. But when he finds out his house is covered in toxic mold and unfit to live in, he is unable to swallow it a second time.

Realizing just how much fun being out of work can be, Greg lets Jimmy have a taste of what it is like to have someone sponge off of him for a change.

Jimmy enters the world of competitive lawn mower racing, but sadly discovers that even that is ruled by the almighty dollar.

An anniversary gift of taking their wives via a limousine to a Rascal Flatts concert goes horribly wrong, leaving Greg and Jimmy scrambling to find a way to save the night.

In the series finale, discovering that Kim listens to Christine and Jimmy listens to Greg, Greg and Christine take advantage and ally themselves to help each other get what they want. After Greg and Christine come clean with their wrongs, Jimmy and Greg do not talk. Greg expresses how much Jimmy has changed his life for the better and that he does not consider themselves to be brothers-in-law anymore, but actual brothers due to how close they have become.