Invincible Episode 4 - Neil Armstrong, Eat Your Heart Out Episode Title:Neil Armstrong, Eat Your Heart Out.Episode Description:Angry that the GDA has not caught the Guardians' killer yet, Red Rush's widow, Olga, commissions Debbie to sell her house so she can return to Moscow. Cecil asks Nolan to protect the first mission to Mars, but the latter refuses, citing his responsibilities protecting Earth, so Mark volunteers. Despite a successful landing, Mark's inattentiveness allows Martians to abduct the astronauts. The Martian Emperor orders their execution to prevent the parasitic Sequids from reaching Earth and destroying the universe. Mark hastily evacuates the astronauts to their shuttle, failing to realize a Martian had replaced one of them...