Cosmos A Spacetime Odyssey Episode 5: Hiding In The Light

The fifth episode of Cosmos: A Spacetime Odyssey, titled "Hiding in the Light," will air on Fox tonight. In "Hiding in the Light," the Ship of the Imagination travels back in time to reveal 11th century Europe and North Africa during the golden age of Islam, when brilliant physicist Ibn al-Haytham discovered the scientific method and first understood how we see, and how light travels. Later, William Herschel discovers the infrared and the signature hidden in the light of every star, eventually unlocking one of the keys to the cosmos. Neil deGrasse Tyson hosts. Featuring guest voice star Alfred Molina as Ibn al-Hazen Cosmos: A Spacetime Odyssey, "Hidden in the Light," airs Sunday, April 6 at 9:00  pm ET on Fox.