Inside SpaceX, billionaire Elon Musk's space company. Take a look behind the scenes of the Falcon Heavy launch with all new never seen before footage. This is National Geographic's brand new 2018 SpaceX documentary, featuring Elon Musk, called Inside SpaceX 2018. MARS: Inside SpaceX will go inside SpaceX's plan to get humanity to Mars, providing an unprecedented glimpse into one of the world's most revolutionary companies. Filmed over the course of three years - this journey will take us behind the scenes with Elon Musk and his engineers - as they persevere amidst both disheartening setbacks and huge triumphs to advance the space industry faster than we ever thought possible.