Multiverse theory by Dr. Michio Kaku

This guy is so brilliant and articulate, and his enthusiasm is contagious. He really stimulates your imagination. I always love listening to him.
Scientific Committee to Evaluate PseudoSkeptic Criticism of the Paranormal
https://debunkingskeptics.com/forum/
https://debunkingskeptics.com/forum/viewtopic.php?f=11&t=810