David Letterman vies with Jay Leno and his manager to succeed Johnny Carson, retiring from "The Tonight Show."

Dr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.

In 1989 the two most famous plumbers from Brooklyn burst out of the Nintendo game world and onto television screens across America. The Super Mario Bros. Super Show! aired weekday afternoons and brought Mario, Luigi, Princess Toadstool and King Koopa more thrilling adventures as cartoon characters. And if that weren't enough, each episode also contained live-action segments featuring Mario and Luigi running their Brooklyn plumbing shop - all before they were flushed down a drainpipe into the Mushroom World.