Mary Hart departure ET's entire crew staged an elaborate, videotaped dance sequence to fete Mary Hart's departure.

It's been quite a while since iconic Entertainment Tonight hosts John Tesh and Mary Hart sat together behind the ET desk, so their reunion during Tuesday's episode was something truly memorable.

Mary Hart didn't set out to become the face of entertainment news. She came to Los Angeles to get into show business. But her first big break, co-hosting a talk show with Regis Philbin, was yanked ...

"Entertainment Tonight," ingrained in American pop culture for nearly 40 years, celebrates its historic 10,000th episode Friday.