Sean experiences the ugly side of Hollywood in the form of a television critic. Matt experiences a special bond with one of Christian's patients. The cause of Julia's ailing health is discovered.
When there is a gas leak at the Gallaghers along comes a sexy fireman named Sean. He gets the attention of Ian and Mandy but which one of them will win the race to get the Sean into bed? Also, Carl finds himself in a risky situation.
Following the battle of New Bern, Jericho begins the rebuilding process, while the Cheyenne government shows a particular interest in the town. While the dispute between Jericho and New Bern is being sorted out by the Cheyenne government, Heather returns. Meanwhile, an old friend of Rob comes to Jericho.
A stellar explosion, the supernova is the sensational death of a star. It can shine as bright as 100 billion suns and radiate as much energy as the Sun would emit over 10 billion years. Jets of high-energy light and matter are propelled into space and can cause massive gamma ray bursts and emit intense X-ray radiation for thousands of years. Astronomers believe that this process creates the very building blocks of planets, people and plants.
The Honorary Title performs at Tric and Mia plays her song there as well. Carrie tries to get closer to Nathan. Brooke sets Mouth up on a blind date with her assistant and Lindsey confronts Lucas about Peyton.
After enlisting Alan and Denny to help her friend, who's suing her town for its decision to build a nuclear power plant, Shirley discovers that the opposing counsel is her college sweetheart, a fact that is not lost on Carl Sack. Meanwhile, Leigh warns Katie to steer clear of her boyfriend, Jerry.
Alex tells Paul about an encounter he had with a patient. Meanwhile Paul compares his father to Alex.
William and Monica battle over learning the sex of the baby. Lynn deals with the fact she might not be marketable to Blacks.
Maya helps Joan try to reach Aaron's kids, as she tries to read them a letter Aaron wrote to his students. William tries to teach Jabari how to drive
Brent gets tired of hearing Oscar using the same name for everyone, and decides to use what he thinks is a fool-proof way to put a stop to it. Lacey finds out some not-so-nice things about her future when she visits a psychic. Davis finds that it is possible to scare yourself silly, while Wanda and Emma have some difficulties organizing a party.
Spinner manages to impress his Lakehurst crush, Jane, but when he gets into a fight, he receives a scary diagnosis. Darcy starts to act out in class, just after she gets out of counseling.
Insecurity over a waitress flirting with Daniel sends Christine to a plastic surgeon's office.
Derek breaks up with Kendra to get out of buying her a Valentine's Day gift, so she asks Max to the school dance.
Sarah reevaluates the capabilities of her friend Andy's computer after he enters it in a chess competition. During the competition Sarah meets a stranger with a history similar to hers. Meanwhile, Agent Ellison finds remnants from a past terminator battle.
Owen, Nick, Ronnie, Aubrey, Gabriel and the Commander take a road trip to find the girl who saved Owen's life, and The Commander uses the opportunity to remind his sons of their childhood, and to finally be able to tell them about his condition. Nick encourages Gabriel to tell the truth about his upcoming departure to his daughter.
Maxxie is looking after Tony, but he has his own problems. He desperately wants to leave college and follow his dream to become a dancer, but his dad is giving him hell about it.
There is something alluring and menacing in the air throughout the UK when it comes to the people, the scenery, and especially the cuisine, and Tony is off to try and discover what that mystique is.