A group of students become trapped inside a mysterious cave where they discover time passes differently underground than on the surface.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

Set against the backdrop of a postapocalyptic Earth whose Eastern Hemisphere was destroyed by a massive solar flare, leaving what life remains...

When a tech blogger lands an interview with a tech guru and stops an attack on him, he finds a mysterious ring that takes him back 57 seconds into...

On a trip to Colombia, a group of college students encounter a fifty-foot boa constrictor, hungry for blood.

After the disappearance of a young scientist on a business trip, his son and wife struggle to cope, only to make a bizarre discovery years later -...

John Carter is a war-weary, former military captain who's inexplicably transported to the mysterious and exotic planet of Barsoom (Mars) and...

After accidentally crash-landing in 2022, time-traveling fighter pilot Adam Reed teams up with his 12-year-old self on a mission to save the future.

His high school teacher issues an ultimatum: turn in a science project or flunk. So Mike Harlan scavenges a military base's junk pile for a suitable...

Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.