When "Saturday Night Live" Season 42 ends on Saturday, May 20, the Dwayne Johnson-hosted show will mark the last episode for one of the most senior cast members.

According to Deadline, Bobby Moynihan is leaving after nine seasons; he joined the NBC show in 2008. As the site reported, when Moynihan finished his standard seven-year contract on "SNL," he gave the show a two-year extension, and the current season was planned as his final one, leaving him open for TV pilot season. His new CBS pilot "Me, Myself, & I" was just picked up to series on CBS's fall 2017-2018 schedule, and he also voices the title character in the new Syfy series "Happy!"

So this Saturday's May 20 show should include some kind of tribute to Moynihan, even if it's just a goodbye at the end of the show. Dwayne "The Rock" Johnson is hosting, with Katy Perry as musical guest, in the last of four episodes airing live coast-to-coast, as opposed to just live for the Eastern half of the country.

Here's The Rock's new promo with the "SNL" cast:

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Me, Myself & I TV Show Poster
Me, Myself & I
CBSTVPGSeptember 25, 2017

Following Alex Riley through three pivotal periods in his life, revealing where the past informs the future and the moments where he learns that his story isn't defined b... Read More

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Saturday Night Live TV Show Poster
Saturday Night Live
NBCTV14October 11, 1975

An ensemble performs sketch comedy. Read More