Mountain of Fire - Kilauea continually molds Hawaii's Big Island. Violent and beautiful, destructive and creative, Kilauea: Mountain of Fire explores the incredible power of the volcano and the challenges of life in its shadow.

Tis the season for a few Friday-night chills. This all-new special features a haunted nightclub, tattoo parlor and the more traditional mansion. Watch with the lights on.

Special operations forces are an elite breed of soldiers with the ultimate military training, superior physicality and extraordinary mental ability, especially under stress. The Fight Science team of scientists push these legendary fighters past their breaking point. A sniper is challenged to shoot between heartbeats while enduring temperature extremes inside a glass box. An Air Force pilot and an Army Ranger are spun in a gyroscope to test their ability to fight spatial disorientation.

When mystery-thriller writer Richard Castle (Nathan Fillion) is called in to help investigate a series of copycat murders based on his books, he finds he enjoys the experience sufficiently to want to continue it. Pulling strings, he arranges to accompany NYPD Detective Kate Beckett (Stana Katic), claiming he wants to study and use her as a personality basis for his next book series. But their personalities don't mesh -- Castle's fly-by-the-seat-of-his-pants detective style greatly clashes with Beckett's more conservative and methodical approach to the crimes, but the new life that Castle has begun couldn't have been scripted better by himself.

Trying to get her family out of the country, Nancy is visited by several faces from her past, while Silas deals with the possibility that Lars might be his father, Warren becomes unhinged, and Doug must find his own means of obtaining a fake passport.

Blair is caught off-guard - and not in a good way - by a surprise guest at her birthday party. Having had enough of Chuck and Blair's games, Serena and Nate decide to plan an intervention.

Charlie's past comes back to bite him when his girlfriend decides that his stalker, Rose, is just too much to handle.

After their first real fight, Chuck avoids confronting Sarah by going on a rogue mission that leads him to his mom's MI-6 handler, Gregory Tuttle, and a mysterious Russian agent. Meanwhile, Ellie is on her own mission to uncover the Bartowski family's long-buried past.

Ryan encourages Naomi to press charges against Mr. Cannon and prepares himself for the consequences. Oscar decides to set his sights on Naomi and unknowlingly helps her with the case against Mr. Cannon. Ivy decides to tell Dixon she slept with Oscar. Navid and Silver attend the Achievement Awards dinner while Annie, Teddy, Liam and Ian attend The Undies, an anti-achievement ceremony at the Beach Club.

When Zoey enrolls in Ted's class, she manipulates his students into taking her side in the fight to save the building being torn down to make room for his project. Meanwhile, Marshall and Lily spot Robin marching in the Halloween parade of shame.

The 17th edition of the reality series begins in Gloucester, Mass., and the 11 teams then fly from Boston to London. The pair to finish first on the initial leg receive a surprise reward that gives them a potential game-changing advantage.

Kenzi runs a “Shaman” scam, and does a spiritual cleanse of a human house where a bloody murder-suicide took place, after which she inadvertently brings home a vicious Fae spider whose venom turns people psychotic. You read that right — there will be a monster spider. And it likes brunettes.

As Halloween approaches, Susan is forced to reveal her secret, sexy internet side job to a shocked Mike; Juanita becomes suspicious of Gabrielle's sudden interest in Grace; Lynette becomes concerned about Tom's mother's memory lapses; Bree learns a secret about Keith; and Paul is encouraged to take wife Beth out on a date in order to light a spark in their unromantic relationship.

When a man claims to have dreamed of a murder before it happened, Horatio must send Natalia undercover for the team to determine if he's crazy, psychic, or just plain guilty.

Trying to get his life back on track, Dexter hunts a new target, but is distracted and drawn into a precarious situation while helping his troubled acquaintance; Batista discovers an interesting lead in the Santa Muerte murder cases; Quinn learns some new information about Dexter from a questionable source.