Irish Stroll: Get your St. Patrick’s Day celebration started early with this pub crawl that snakes its way through downtown bars. Register at Beekman Pub.  (Sat., 1-9 p.m.,

Scrabble Master Class: Three-time National Scrabble Champion Joe Edley gives tips that will enable players of all levels to improve their skills. BYO game. (Sun., 7:30 p.m., $29, 92nd Street Y,

Conan O’Brien Stand-up Showcase: Conan O’Brien won’t be at this comedy show, but he did curate it — so it should certainly provide laughs. (Sat., 10 p.m., Union Hall,

The Big Cheesy: Chefs from restaurants around the city battle it out to see who makes the best grilled-cheese sandwich. Guests, of course, get to taste-test. Yum! (Sat., various tasting times,

Marcus Strickland Quartet: The sax man headlines an evening of jazz, with a performance by the Tap Messengers of NY. (Fri., 7:30 p.m., $15, Harlem Stage,

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