But it also left Jay Leno, the longtime host of the still top-rated Tonight Show, out of a job earlier than he would have liked. About 20 years earlier, NBC had endured another unpleasant transfer ...

Jay Leno is giving back to the first responders fighting the disastrous Los Angeles wildfires.

Not everyone likes Jay Leno, but Hollywood gave him a proper sendoff on Thursday night, as he hosted his last Tonight Show after 22 years (with a short, infamous Conan O'Brien interlude).