Former Fox News host Glenn Beck appeared on his old network Tuesday night, warning "Kelly File" host Megyn Kelly that Russia is actively trying to thwart Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonClinton to headline trio of DNC fundraisers: report Allegations of ‘Trump TV’ distract from real issues at Broadcasting Board of Governors Chelsea Clinton: Politics a 'definite maybe' in the future MORE's candidacy.

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"I do believe, based on their words only,” Beck told Kelly via satellite, “that Russia is trying to take down Hillary Clinton ... to destabilize our election and foment revolution on our streets.”

Beck's comments come on the heels of the release of hacked emails and documents from the Democratic National Committee (DNC) showing party officials actively strategizing against Clinton's primary rival, Sen. Bernie SandersBernard (Bernie) SandersOvernight Health Care: Azar defends approach on drug rebates | Trump presses Senate to act quickly on opioid crisis | Kentucky governor's Medicaid lawsuit tossed Poll finds Libertarian Senate candidate running ahead of GOP in New Mexico Senate GOP targets musicians Ben Folds, Jason Isbell as 'unhinged left' ahead of rally for Dem candidate MORE (I-Vt.). U.S. intelligence officials reportedly have "high confidence" that the Russian government was responsible for the hacking. 

"Russia is trying to do to us right now what we did to them under Ronald Reagan," Beck argued.

"We collapsed the Soviet Union. Putin is going to pay us back."

Beck, a staunch backer of Sen. Ted CruzRafael (Ted) Edward CruzHillicon Valley: Trump goes after Twitter, Facebook | House Dems call for Sinclair probe | Apple removes China gambling apps | Cryptocurrencies form self-regulatory group Trump: It's 'dangerous' when Facebook and Twitter self-regulate content Sharpton misspells 'respect' while quoting Aretha Franklin to Trump MORE (R-Texas) in this year's primaries, also had praise for Trump critic and 2012 GOP presidential nominee Mitt Romney.

"Mitt Romney called this and everybody mocked him. We're about to find out that Russia is our biggest foe and our biggest nightmare."

As for Beck predicting Trump would win the election as recently as this May, the Blaze founder and host declined to stick to his guns.

"I've got nothing right during this election," Beck joked.

The appearance is Beck's first on the network since publicly praising Kelly following the news of her cooperation with investigators looking into sexual harassment claims against Beck's former boss, former Fox News CEO and Chairman Roger Ailes.

Ailes resigned on July 21.

This report was updated at 10:02 a.m.