The upcoming series Quantum Leap drops its official trailer before its premiere in September 19. You can watch it every Monday, at 10/9c on NBC. This science fiction series is based on the pre-existing '90s series of the same name that was created by Don Bellisario and ran for five seasons. The cast includes Raymond Lee, Nanrisa Lee, Mason Alexander Park, Ernie Hudson, and … [Read more...] about Quantum Leap Official Trailer | NBC