Warning: The following contains MAJOR spoilers for the Dexter: Original Sin series premiere, “And in the Beginning.”] The series premiere of Dexter: Original Sin, which arrived on Paramount+ with Showtime on Friday (December 13),

Christian Slater joins Saturday TODAY to talk about starring in the new series called “Dexter: Original Sin.” It’s a prequel to the original “Dexter” series from 2006. He also opens up about the time TODAY’s Laura Jarrett helped out with his family and how he competes in obstacle courses for fun.

The premiere episode of Clyde Phillip's latest "Dexter" spinoff mainly reenacts scenes from the serial killer's youth that were already described in the original series - except for its opening moments.