Michael Keaton returns to 'SNL' for fourth hosting stint

(NBC) — This weekend, “Saturday Night Live” continues its run of new episodes to open Season 50.

Michael Keaton is back to host the fourth episode, it is also his fourth time hosting, the first time being more than four decades ago.

“SNL” was not the machine it has become when Michael Keaton first hosted the show back in 1982.

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“It operates so smoothly now,” said Keaton. “It's kind of insane they do this every week...