WATCH: Donald Trump hosts 'SNL,' gets interrupted by 'heckler' Larry David

As the real estate mogul finished up his monologue with Trump impersonators Taran Killam and Darrell Hammond, a voice bellowed from the sidelines, "You're a racist!"

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The "heckler" in the scripted bit was none other than Larry David, who had reprised his role as Bernie Sanders in the show's cold open.

"It's Larry David," Trump, acting exasperated, announced. "What are you doing, Larry?"

"I heard if I yelled that, they'd give me $5,000," David replied, shrugging.

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The gag was referring to real protests surrounding Trump's appearance, including Deport Racism PAC's offer of a cash reward to anyone in the audience who yelled "Trump is a racist" during the broadcast, Time reported.

Others marched outside the studio before the show, denouncing Trump's controversial comments about immigrants and NBC for inviting him to host.

"I'm an immigrant myself, so I'm pretty outraged," one protester, 26-year-old Hazel Hernandez, told The Associated Press.

Trump, who also hosted the show in 2004, apparently received about 12 minutes of airtime Saturday – about half the time Amy Schumer received as host last month, according to Variety. Some of the highlights from his latest stint included a sketch in which he insulted the show's stars via Twitter, a bit with daughter Ivanka about how he'd behave in the White House, and a role as an attention-seeking bar band member.

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