Available for a limited time. This offer applies to any showing through April 25. To get the free ticket, customers need to use the promo code DEEPSKY420 at checkout on Fandango, which provides an $11 discount, enough to cover the cost at most theaters. The movie itself, narrated by Michelle Williams and directed by Nathaniel Kahn, showcases images captured by NASA's Webb Telescope, offering viewers a cinematic journey through cosmic landscapes and deep space discoveries. 

"Deep Sky" is a movie title that doesn't seem to correspond to a specific film as of my last update in January 2022. However, if it's a recent release or a lesser-known film, I might not have information on it. Could you provide more context or details about the movie? For example, is it a documentary, science fiction, drama, or another genre? Knowing more about it would help me provide a more accurate description or discuss its themes, cast, or plot.