Want to know what one of the most famous deep, booming narrators sounds like on helium? Well wonder no more.

What do you do when you have Morgan Freeman on your talk show? Ask him about his illustrious career? Listen to a hilarious story about some old Hollywood superstar? No, when you're Jimmy Fallon you get to see what one of the world's most famous voices sounds like on helium. We can't tell if Morgan's reluctance and grumpy old man demeanour is all shtick or if that's how he actually feels about the whole interview, but we're glad Fallon's around to lighten the word, both figuratively and audibly.

Via YouTube