This first video is for the Through the Wormhole. The rest are meant to supplement your interest or provide other explanations.

Through The Wormhole: The Riddle of Black Holes

Black Holes (BBC)

Cosmic Journeys: The Largest Black Holes in the Universe

Who’s Afraid of a Big Black Hole?

How to Time Travel

Einstein-Rosen Bridge

Michio Kaku – Physics of the Impossible – How to Travel Through Time

Michio Kaku – Physics of The Impossible – How to Travel to Parallel Universe