Morgan Freeman has an amazing voice; that we know. But what we didn't know was how much better it sounds after a good huff of helium.

This short and seemingly inexplicable video is a promo for the fifth season of Freeman's Through the Wormhole series, which is set to return on June 4th on the Science Channel. Which is good news for those of us worried of TV-science withdrawal when de Grasse Tyson's Cosmos comes to an end.

[ h/t The Verge via Entertainment Weekly ]