The Tripods

Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.

Born to human parents, an apparently normal child might at some point between childhood and late adolescence experience a process called 'breaking out' and develop special paranormal abilities. These abilities include psychic powers such as telepathy, telekinesis, and teleportation. However, their psychological make-up prevents them from intentionally killing others.

UNSC Cadet Thomas Lasky must conquer his inner fears and join forces with super-soldier John-117 to take down a massive faction of the Covenant.

In his basement in San Francisco, boy-genius Quinn Mallory unlocks the doorway to an infinite number of Earths. During a test run, Quinn invites co-worker Wade Welles and his teacher Professor Maximillian Arturo to see his new invention. But an increase in power and an early departure leave all three, plus a washed-up soul singer named Rembrandt "Crying Man" Brown, lost in a parallel world. Now they must "slide" from world to world, not only adapting to their changing surroundings, but also trying to get back to their world. Will they ever make it home?

Years ago, the Taelons came to Earth, offering friendship and technology to humanity. But there are those who believe the Taelons have more sinister motives.