Check Out Leonardo DiCaprio’s ‘Before the Flood' Documentary!

Academy Award winner Leonardo DiCaprio stopped by the show to surprise Ellen and her audience! He chatted about his new documentary “Before the Flood,” which is about climate change and how it is currently affecting the planet’s oceans. “Before the Flood” is free this weekend on Facebook, Hulu, iTunes and NatGeoTV.com! Find out more information and watch the documentary, here!