Donald TrumpDonald John TrumpSunday shows preview: Shutdown negotiations continue after White House immigration proposal Rove warns Senate GOP: Don't put only focus on base Ann Coulter blasts Trump shutdown compromise: ‘We voted for Trump and got Jeb!’ MORE said Thursday he hopes Libertarian presidential nominee Gary JohnsonGary Earl JohnsonHillicon Valley: Social media struggles with new forms of misinformation | US, Russia decline to join pledge on fighting cybercrimes | Trump hits Comcast after antitrust complaint | Zuckerberg pressed to testify before global panel Ex-Facebook exec ousted from company sparked controversy with pro-Trump views: report Heinrich wins reelection to Senate in New Mexico MORE and Green Party nominee Jill Stein stay out of the presidential debates.

“No,” he told host Larry King late Thursday during an interview on RT America’s “Politicking." "I’d rather it be Hillary and myself. We’re the only two with a chance at winning."

“They seem to be going down, the other two,” Trump added of the third-party contenders. "They seem to be going down a little bit. We’ll see what happens.”

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But Trump said Johnson's widely criticized gaffe about the Syrian civil war isn't costing him too much. When Johnson was asked Thursday on MSNBC's "Morning Joe" what he would do about Aleppo, the besieged Syrian city, he responded: "And what is Aleppo?"

“Well, I don’t know that it will hurt him that much, frankly," Trump said. “It may be it hurt him a little bit, but I think he’ll scoot by.”

Both Johnson and Stein have argued they present frustrated voters a credible alternative to Hillary ClintonHillary Diane Rodham ClintonConservatives pound BuzzFeed, media over Cohen report BuzzFeed story has more to say about media than the president Trump knocks BuzzFeed over Cohen report, points to Russia dossier MORE and Trump.

Trump, the GOP’s presidential nominee, scores about a 58 percent unfavorable rating in the latest RealClearPolitics average of polls.

Clinton, his Democratic counterpart, earns about a 54 percent unfavorable rating in the same national index.

The Commission on Presidential Debates requires third-party presidential tickets to reach 15 percent in an average of five polls it has selected to make it onto the stage.

Johnson’s ticket has polled around 9 percent in recent surveys, while Stein’s campaign hovers around 3 percent.

The first presidential debate is Sept. 26 at Hofstra University in Hempstead, N.Y. 

A Morning Consult survey out last week found most voters want to see both Johnson and Stein in the debates.

Fifty-two percent said they would like Johnson in the first contest, while 47 percent desire Stein’s participation as well.