Hearing one of the most iconic movie voices on helium is something not to miss. Morgan Freeman inhales some helium for this Through The Wormhole advertisement.

Through the Wormhole is an American science documentary television series narrated and hosted by Morgan Freeman. It began airing on Science in the United States on June 9, 2010.

Notice how he struggles to hold his composure at the end, classic! Here’s Morgan Freeman on Helium: