Great Blue Wild

An adventure with the world's greatest dive shops.

Battle of the Alphas

The quest for real estate causes a lot of conflict.

Asteroids: A New Horizon

Amazing Gravity

Physics professor Jim Al-Khalili investigates gravity and the science behind it.

Weird or What?

Each episode of "Weird or What?" features three stories of the bizarre and unexplained. Hosted by William Shatner, the show examines supernatural and scientific theories that try to explain the story presented, sometimes even conducting tests as proof of a theory's plausibility. Aliens, ghosts, monsters and natural disasters are among the odd occurrences featured on the show. The goal? Help increase viewers' understanding of what is real, what isn't, and what is just weird.

Jack the Ripper Revealed

A closer look at the history of Jack the Ripper.

Supersized

Documentary series exploring obesity.

Crime Files With David Wilson

Leading criminologist professor David Wilson examines the obsession with crime.