Steve plots his revenge against all the popular girls who torment nerds and losers at his school.

Eight-year-old Brian (who is 56 in dog years) seems to have lost a step or two, so Peter gets a new talking dog, New Brian, to "take some of the load off" the old one, who doesn't like the idea at all.

Homer and Marge remember the ups and downs of their marriage through a series of flashbacks, including the time they each began flirting with guests at a glamorous party - a situation that led to a food fight and an unexpected swim in the pool.

The team travels to Iraq to save Jonas' daughter, who has been kidnapped; Col. Ryan must face the consequences for his adultery with Mack's wife.

Jeremy, Richard and James travel to the US to take a road trip from San Francisco to the heart of Utah in three new-generation muscle cars, hoping this time to avoid a mob of angry locals pelting them with rocks. The Fiat 500 Abarth gets a test drive and Will Young is the Star in a Reasonably Priced Car.

The USA Muscle Car Road Trip, in which the presenters rode to Bonneville, aired as part of Season 12 Episode 2. Richard Hammond, James May and Jeremy Clarkson were only allowed in USA for factual filming due to an incident in their last visit when Jeremy placed a cow on his car roof. Richard drives a Dodge Challenger, James drives a Cadillac CTS-V, Jeremy drives a Chevrolet Corvette C6 ZR1.

Murder: Mia Zapata Legend: Brushy Bill Roberts Wanted: Maria Hernandez Mystery: Glenm Loney, Rhonda and Roxanne Anderson, and Catherine Webb Mystery: 1987 Jane Doe

Wanted: Adam Emery Murder: Jill and Julie Hansen Mystery: Coral Polge Update: Wanted: David Viera Legend: Tony Marabella