A top aide to Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE sparred Thursday with NBC's Chuck Todd over the accuracy of online polls, insisting they provide an “accurate reflection” of who won this week's presidential debate.

Trump and his allies have touted online snap polls since Monday night, saying they clearly show the Republican defeated Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE in the contest.

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Jason Miller pressed that case during the interview on MSNBC's "MTP Daily," spurring Todd to challenge him.

"Give me one scientific poll. Those are fan polls, man, that computer programmers can mess with," Todd said.

"You know these are bogus — they are beyond nonscientific. There's evidence that there are computer programs that help you refresh. All you have to do is empty your history and you can vote again."

Miller pushed back, criticizing online polls that showed Clinton winning the contest.

He argued that one NBC/Survey Monkey poll, conducted online from Monday to Tuesday, showed Clinton winning because it was influenced by biased debate coverage in the media. He similarly criticized CNN's post-debate poll that showed Clinton winning, asserting it shows the network’s bias. Both polls used scientific sampling methods.

"The energy and enthusiasm in this race is all with Mr. Trump," Miller said.

"I'll take the seven-plus polls that all showed Trump winning big time. That’s what we think is a much more accurate reflection of what happened on Monday night."

Miller also backed up Trump's assertion from a Thursday rally that the debate had been "rigged." He said Clinton was spared many of the tough follow-up questions that Trump received.

"The second half of the debate was clearly stacked to Hillary Clinton," he said.

And Miller defended Trump's assertion from a Wednesday rally that Google was working to hide negative information about Clinton, citing a Breitbart News post. Todd noted that report had been aggregated from Sputnik News, a Russian news agency.

"We didn't do our own study, but it's a report that's out in the public," Miller said.

"It makes you wonder."