Primeval

At Deep Space Nine, a space station located next to a wormhole in the vicinity of the liberated planet of Bajor, Commander Sisko and crew welcome alien visitors, root out evildoers and solve all types of unexpected problems that come their way.

A freak accident during an experimental space mission catapults Astronaut John Crichton across a thousand galaxies to an alien battlefield.

A group of five high schoolers embark on a shadowy and twisted journey to investigate the tragic passing three decades earlier of a teen named Harold Biddle – while also unearthing dark secrets from their parents' past.

"Ever wish you could live your last week all over again? Well, my name's Frank B. Parker, and I do it all the time. I work for a secret government project experimenting in time travel. When things really get screwed up, I'm the guinea pig they send back to take care of it. The catch is, I can only go back 7 days."