Fallon, Freeman get helium help for "Tonight Show" interview

Jimmy Fallon and Morgan Freeman inhale helium during Thursday's interview.
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Not even the legendary voice of Morgan Freeman is safe from Jimmy Fallon's antics.

Thursday night, the "Tonight Show" host closed his interview with the Oscar-winning actor by pulling out two helium-filled balloons. They took turns inhaling the helium, conducting the end of the interview with a squeak in their voice.

"I really shouldn't be doing this," a high-pitched Freeman said. "It's very undignified."

Watch the clip