Tess fails in her attempt to kill Davis. In order to destroy him, Tess seeks help from Clark by unveiling Davis' past with the Luthors. Meanwhile, Davis asks Chloe for assistance.

Clips include the breaking up and crash of a military jet; a spectacular crash of a motorcycle drag bike; the 180 passengers of a sinking ship are rescued; a man survives despite being run down by a tractor trailer; and a drag-boat crashes when the safety capsule flies open.

Jane feels like taking time off to be with her baby is as tough as being at work. Rosemary explains the need to unionize to Jane's nanny, Horatio. Emily and her husband decide to take a stay at home vacation this year, much to the disappointment of their children.

Sam wants a baby, but she settles for a babysitting one of Dena's dogs to see if you has any motherly instincts. Howard and Regina inherit a plane, which causes Regina to take flying lessons.

The team investigates the murder of Cam's former fiance, whose body was found in the tiger cage at the zoo. Sweets and Angela hypnotize one of the murder suspects.

A murder takes place in the world of Mexican wrestling (Lucha Libre) and our CSIs must solve the crime.

Dean and Sam learn that they're the protagonists in a series of cult novels detailing the adventures of two intrepid supernatural hunters. They confront the author, only to discover that he's the prophet of the Lord... and he's writing the Winchester Gospels. Now Sam must deal with the writer's next prophecy: that he gives in to Lilith.

Joe and Sydney are talking at the Jalapao campsite and Sydney voices here concern that she might be the next to go if all the boys stick together. But Joe assures her she'll be safe. Over on Timbira, the tribe argue with "Coach" about how to cook their beans and end up with a burnt meal. Back on Jalapao, Taj and Stephen wonder if they should include J.T. in their Exile Alliance. Timbira wins a reward to visit a waterfall and a meal. On Exile Island, Joe and Erinn figure out the clues to the hidden immunity idol. On Jalapao, Taj realizes that Joe will have all the clues and decides to make a fake idol. Before going fishing, J.T. finds Taj's idol and so she then decides to include J.T. in her alliance. After Jalapao loses the Immunity Challenge, Joe finds the fake idol thinking it's the real one. He then talks with the others and decides to vote for Taj. The newly formed alliance discuss things with Joe and tell him that Taj should stay. But then at the last second, J.T. may change his mind.

Each team member is asked to create a dish using King Crab, but only one dish can be selected to represent them in front of Chef Ramsay. Both teams have a chance to show off the creativity in the kitchen when they get to create their own menus for dinner service, but internal conflicts cause chaos in the kitchens.

Scenes caught on film include a building being hit by a news helicopter; a spectacular crash of a record-attempting motorcycle jump; a car drives into a store filled with people because of a fatigued driver; land in japan is destroyed by a massive landslide; and a car flips and crashes while participating in a wheelie contest.

Series Finale: Gates works on a young teen suffering from alcohol poisoning after playing a drinking game. Old friends come show their support when a new medical facility for the underprivileged is opened. Sam receives a special gift for her birthday.

A high level FBI agent is accused of stealing a woman's child and Dr. Hood is the only one who believes it.

The crew faces a legal battle over gold and silver recovered form a wreck.

Author Tom Zoellner talks about his book Uranium - War, Energy and the Rock That Shaped the World.

Tonight Stephen welcomes the co-founder of Twitter, Biz Stone.