In the hopes of impressing Ashley, Caleb takes lessons in bulldogging from former rodeo champion Tim, who stubbornly refuses to acknowledge that he may no longer have what it takes. Kit and Ty sort out their lingering break-up issues as Ty assists Scott with the delivery of Kit's mare's foal. Lou invites Peter to manage his business from the Heartland facilities while his office undergoes renovation, and lives to regret it.

The six remaining teams depart the Dolphin Bay Beach pit stop in Dubai on the seventh leg of a race around the world for one million dollars.

Sonny convinces Tawni to fire her manager, not realizing it's her mom. Meanwhile, Nico and Grady try to get past the new security guards.

Larry encounters trouble on the same golf hole twice.

Bree begins to fall for Karl and drifts further from Orson; Katherine continues her sad attempts at seducing Mike, as her conflict with Susan grows; Gaby gets Juanita expelled from school; Lynette learns Tom is cheating on his mid-term, and Angie hides the truth about her mother.

Dexter knows it's only a matter of time before Miami Metro discovers the Trinity Killer's latest handiwork. Therefore, he has to work doubly hard to stay one step ahead of their investigation. Meanwhile, Debra becomes frustrated when she finds herself shut out from her own case. She considers bending the rules in the name of justice, risking her career in the process. LaGuerta and Batista come to regret a major decision, and realize that by playing by the rules they may have painted themselves into a corner. And when the friction between Rita and Dexter comes to a head, Dexter gleans relationship advice from a most unlikely source.

In order to save his life, Andy tries a risky new procedure on his wife's partner who suffers from an aortic aneurysm.

Concerned over the sudden disappearance of the two lesbians who have been buying his sperm, Ray enlists Jonathan to help him track the couple down. After breaking into their apartment, Jonathan learns the pair has flown the coop - but not without leaving behind a clue that both shocks and intrigues Ray. Meanwhile, George ignores Jonathan's warnings by publishing a disparaging editorial about Richard Antrem (Oliver Platt), sending his publishing rival into a fit of rage at the local watering hole.

Following an embarrassing moment in his lifeguard class, Riley tries to convince Fiona to sleep with him to prove to his friends that he's not gay. When Fiona rejects him however, Riley's anger begins to show about the persistent rumors and ultimately attacks his gay lifeguard instructor. Anya has a hard time keeping her LARPing activities a secret from Sav. After making the winning shot in a basketball game, Dave gets enough confidence to ask Jenna out, oblivious to the fact that she's not interested in him.

Riley is determined to sleep with the new girl Fiona to prove to everyone he's not gay.

Kitty is thrilled when she finds out a surprise visitor is coming to the town, while Sarah struggles with the idea of telling her children about Luc. Meanwhile, Holly receives the help of Ryan and Rebecca in hopes of finding a way to keep her financial future from collapsing, and Kevin and Scotty finally agree on a surrogate.

The 1944 murder of the pilot from the WASP program (a group of civilian women who volunteered to fly missions for the United States Army Air Force) is investigated. Meanwhile, Lilly's nemesis, Moe Kitchener, gets her fixated.

Peggy's taste in men proves questionable. Pete has to make a big decision about his career and a candidate makes a big impression on Don.

Trouble with Becca and her friend Chelsea interferes with Karen's visit who wants to reunite her family.

Reed steps up his science to take on Dr. Josh Wurman's massive research project. Joel has second thoughts. The fallout reaches Sean, who makes a drastic decision.

Lucy, Natsu and Happy retrieve the book from the mansion, but Lucy cannot bring herself to destroy the book that they have taken the assignment to destroy. What is in the book to prevent her from wanting it destroyed?

Guests include comic genius Rob Brydon, who takes over the comedy chair, and actor and singer Harry Connick Jr, who chats and performs a number from his new album Your Song. Plus, more foolhardy members of the public brave the collapsing red chair in another round of That's All We've Got Time For.