On 7 December 1987, Pacific Southwest Airlines Flight 1771, on a flight to San Francisco, crashes at the speed of sound on a mountainside in rural San Luis Obispo County, California. All 43 people on board are killed. Investigators found that passenger David Burke, a former USAir employee, took a gun on board the aircraft and shot the pilots in a murder-suicide plot to kill his former supervisor (who was also a passenger on board) after being fired from his job days earlier. USAir was in the process of merging with PSA at the time of the crash.
Calvin plans to get revenge on Travis Harris for shooting him. Curtis makes plans with Ella then pretends to be sick when he gets tickets to a baseball game. When footage of Curtis at the game is aired, Curtis does everything he can to keep Ella from finding out.
C.J. is left to look after the twins during the big game. Ella gets in the way of Calvin's transition back home.
In a boutique clothing store “Two Girls Two Shirts,” the owners (with Miranda July) are momentarily tempted by the idea of having customers; A struggling band finds itself with an all too enthusiastic fan (Kristin Wiig); Jayde from “jayde speaks Sevyn” and director Gahvin Quin make a video plea to help raise money in the name of art. When an innovative intern (Amber Tamblyn) suggests improvements at the feminist bookstore, shopkeepers Toni and Candace defend their way of doing business; Carrie’s sister begins making jewelry, prompting Fred to consider a new way to make a living; A houseowner’s move takes longer than she expects when she accidentally hires an eco-friendly moving crew.
The weather may be perfect, but storms are brewing onboard the dredges as egos clash and tempers flare. Emily's first dive is almost her last when she learns the dangers of dredging first-hand.
The Guppies learn about the zoo while trying to find a friend for a lonely rhinoceros.
Over the course of one long day, the team works on three separate cases, including tracking a serial killer, intervening in a family dispute turned murderous, and disproving an accusation of police intimidation. Will all of the team make it through with their careers intact?
Todd is on trial for his life. The public wants him to hang and that seems the most likely outcome. A number of "friendly" witnesses are called to the stand but each one backfires. Meanwhile, Alice finds the evidence needed to clear both their names and is in a race against time to make it to the courthouse.
Frank Skinner invites Jamelia, author Germaine Greer and comedian Ross Noble to the show in which they compete to have their pet hates and peeves consigned to Room 101.
Albert decides to return to an old haunt and soon discovers that it's been pulled down by ruthless property tycoon, Dale Ridley. He ends up recruiting the rest of the team to deliver a special form of retribution.
When the CSIs investigate two seemingly unrelated deaths, their separate trails of evidence lead to a surprisingly connected conclusion.
Van Kleiss ended up in the past and is being pursued. He struggles to find a way back to his own time.
A pregnant teen is admitted to a mental hospital after threatening suicide and is found dead two days later; did she kill herself? Dr. G also investigates a murder.
Spartacus is forced to mediate when the gladiators are close to divide into groups after news of Naevia's fate reaches them. Lucretia exchanges a long-held secret for some information and an attack puts the rebels at risk.
Historian Saul David explores how wars are really fought - in the backroom of military planning. He shows how generals have met the challenge of moving armies.
Sam finds his estranged sister, Corinne, in jail, heavily medicated and near-catatonic, and brings her to Sheldon for help; Erica begins secret treatments for her cancer and refuses to let Cooper and Charlotte tell Mason; Cooper, Pete and Addison treat the baby of a drug addict; and things between Violet and Scott continue to heat up in the bedroom.
When Ava and Kevin have an epic blow-out, Reagan and Chris find themselves wistful for relationship drama and unintentionally end up creating some of their own.
The eight remaining All Stars compete head to head fin a sportswear challenge for one of the four seasons. Guest judge Cynthia Rowley.