The Beverly Hills group have graduated from high school. Naomi spent the summer dealing with the shocking news of her pregnancy, and she quickly realizes that she doesn't have the status at college that she did at West Beverly.

Months of work come down to this final night, the top four perform to determine who will be the winner of Season 6 of America's Got Talent. Silhouttes, Poplyfe, Team iLuminate and Landau Eugene Murphy, Jr. compete for the last time.

Ashley faces danger head-on when a riled-up customer refuses to leave the store. Then, the friction may have cooled between Rich and Ashley, but when he screws up a major job for Les, Seth takes the heat. Unwilling to fail in his father's eyes, Seth takes Rich on in a face-to-face confrontation with neither man willing to back down.

On the run from the mob, Bridget assumes the identity of her deceased twin sister, Siobhan, only to realize that her sister's life was no less complicated than hers.

Clay makes a deal with the Mayans that won't be easy to sell to the club, and the Russians aren't exactly in his corner, either. Meanwhile, Gemma worries about what Jax might have learned about her past when he was in Belfast, and the new sheriff, Eli Roosevelt, makes his presence felt at SAMCRO's clubhouse.

Sarah celebrates a milestone birthday and leans on Mr.Cyr for emotional support, while Amber makes an independent move from her family. Unemployed, Adam feels the stress of providing for his pregnant wife and family and ponders a new business venture with Crosby. Julia becomes frustrated with the adoption process and dreams up a bizarre scenario. Meanwhile Haddie's boyfriend Alex reveals hidden information to Julia.

Contestants are shocked to see two Top Shot champions return as honorary captains for the team challenge. Marksmen compete with a just-released, ultra modern assault rifle and tensions flare when a fight erupts between two competitors.

Jim Lehrer

Roseanne Barr, Paul "DJ Pauly D" Delvecchio, Baron Vaughan

Jenna turns 16, but her birthday celebration doesn't go as planned after she fails her driving test and is forced to deal with repercussions from everyone she's alienated.

Fiona's principal investor Robert Lachman goes out of business but Fiona still manages to make him pay up.

Al Gore

Ellen DeGeneres, Bob Harper, Cobra Starship

James Woods, Kathryn Hahn

While Zac is busy consulting on the biopic of Henry's life, Jonquil is inspired to host a 'healing ceremony' for the King's victims with unexpected results.

Charismatic superhead Michael Byrne begins his first day in charge at the school after being brought in by the education authority to turn the school around. Michael is still bearing the scars following an attack at his previous school by the knife-carrying Wayne. Michael is shocked when his ex-pupil is acquitted of attempted murder and he vows to get revenge. Phoenix and Harley Taylor start at the school and the day begins in tragedy after they discover the death of their nan. The brothers decide to keep her death a secret so that they wont be sent back to live with their abusive father. The pupils find themselves being confronted by an influx of trouble-makers from the nearby estates.

Lisa's looking for trouble when she asks Dan to pick his favourite part of her body. Plus, when Bianca throws a hot tub party, tensions bubble as much as the water.

Kevin watches the progess made as artists Freddie Robins and Ben Coode-Adams leave behind their urban flat to convert a huge Grade II listed timber framed barn in Essex into a living and work space for themselves and their daughter.

Jim Al-Khalili learns more about the safety of nuclear power, following the explosions and release of radiation at the Fukushima plant in Japan.