NorBAC discovers a link between the tantalum contamination and the recent smallpox scam; a viral activation of dormant genes evolves Bob (Dmitry Chepovetsky) into a higher consciousness.

Months after the season 3 finale, a student develops a unique ability after taking a Promicin injection. Diana hunts for her sister while Tom heads to the jail to visit Isabelle. After some advice from Cassie, Kyle is able to get Shawn out of his coma. Meanwhile, Jordan battles his conscience and a new director is brought in at NTAC.

Russ tells everyone not to get him a present for his birthday, but everyone still scrambles to find him the perfect gift. Sam discovers that Russ once owned a beloved exotic bird, so he sets out to track one down. However, he gets into a load of trouble trying to import a bird across international borders.

Linc tries to infiltrate the Yost inner circle; Barry has a change of heart about the fate of the motel; Shaun has unexpected results when he takes part in a surfing competition; a greasy drug dealer named Steady Freddy arrives to harass Butchie, but changes his tune when bad news arrives, and John claims he's from Cincinnati.

Gene and Nick take a personal tour of London's musical landmarks for Nick's 18th birthday. One of their stops was The Beatles' Abbey Road Studios. The vacation almost ends on a sour note when a young exec from Gene's English record label tries to turn their trip into a publicity tour. Gene and Nick get some good father and son time on this trip.

The six truckers are introduced and hit (and slide on) the road. Included: a jackknifed truck halts traffic.

To ramp up marketing to families, Russ decides that the airline needs a family-friendly icon. Sam submits a really great idea from Darcy, however Russ mistakenly uses a doodle drawn by Sully. The result is very "Sully-like".

In the sixth season premiere, Johnny receives visions of his friends being in harm's way at a festival. It appears that he avoids the disaster, but two people are later killed by a fire, which alters Johnny's life and the fate of the rest of the world.

A behind-the-scenes documentary about the filming of Medelln in Bogota, Colombia. Billy and Eric clash on the set about keeping the film on track. Billy becomes attracted to an actress which ends up disrupting the production. Drama tries to get Billy to give him a part in the film.

Paris and Nicole prepare the campers and their moms for the pageant. With an unexpected turn of events, the mom's are made to do the pageant and their daughters prepare them.

Trevor wants to adopt Roxy's sons, but her ex refuses to sign the papers. Pamela decides to reveal the truth about the babies, and Denise has had enough with Jeremy's violent outbursts.

Bret and Jemaine go to a party at Dave's, where Jemaine meets and falls for the 'most beautiful girl in the room', Sally. When it turns out that Sally used to go out with Bret, things get weird between Bret and Jemaine.

Dawn can't be swayed from her quest of catching a Buneary she encounters in the forest.

Gardener Dom Joly get to drive a tank around a village in the county of Gloucestershire. Tom and Jonny find themselves talking part in a demolition derby.