Our universe is a cosmic shooting gallery, gravity is moving everything around & things will collide. Astronomers are attempting to understand how collisions occur in space.
Jamie's ex-cellmate Mark comes to stay, but Karen doesn't trust him and the battle lines are drawn. Karen's got a fight on her hands if she's to prevent Mark from leading Jamie back into a life of crime. When Carl gets poor grades in his GCSEs, he realises everybody thinks he's a failure. So he sets out to prove them wrong and, with a little bit of help from Paddy, finds his real talent in the boxing ring. Yvonne gets a shock when she hears that her daughter Meena has arranged her own marriage. Meanwhile, Norma finds herself on a date. But is she over Monica yet?
Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
Alex recalls one of her latest dreams which Paul needs to work out the meaning of.
In order to demonstrate what he means, Paul brings up his past to show her about what's real and what's not.
Derek finds the brain chip from Vick that Cameron had kept. John builds an interface for it and they discover a computerized traffic system is important to Skynet. Sarah decides it must be sabotaged. Meanwhile, Cromartie is checking through school records in search of John.
Sarah finds herself in a business transaction with a mysterious business man named Sarkissian, who claims to be in possession of the stolen Turk computer system and wants an exorbitant amount of money for it. Derek recalls his childhood before the so-called Judgement Day in 2011, when a nuclear war triggered by Skynet will destroy the world. Agent Ellison finally discovers that the terminator Cromartie is impersonating an FBI agent, and makes arrangements to apprehend him.
Plankton creates a band to steal the Krabby Patty secret recipe.
Michelle's mum has gone and done it again - another new husband. Before Michelle knows what's happening, her manipulative new step sister Scarlett is invading her life, co-opting her friends and offering unwanted advice.
Nick, Phil, Owen and Eddie are shocked when they find out that their childhood crush, Angela Ferilli, is dead. They reminisce about the past they shared together and realize how much Angela affected their lives.
Emma tries to endorse Purple Dragon drinks, meanwhile Mia teaches Sav how to kiss.
Manny tries to sabotage her parents' plans for her birthday party by finding a horrible date for the event. Meanwhile, Jimmy finds out about Ashley's betrayal.
Christine tries to get over breaking up with Daniel. Matthew learns the source of his intimacy issues is not his mother, but Christine.
Kyle and Josh become involved in a complicated cheating scandal at school. Meanwhile, Jessi is being pushed by Taylor to train for the Latnok presentation.
Devalos tries to reclaim the D.A.'s office. Allison's support of Devalos is tested when she has visions of Senator Jed Garrity, Devalos' strongest political supporter, involved in a horrible conspiracy.
Life with Derek is a Canadian television sitcom that aired on Family and VRAK.TV in Canada and on Disney Channel in the United States. The series premiered on Family on September 18, 2005, and ran for four seasons, ending its run on March 25, 2009. The series starred Michael Seater and Ashley Leggat as the two oldest children in a stepfamily. It ended with 70 episodes and one spin-off television film, entitled Vacation with Derek.