Watch TV Series Moonbase 8 Showtime Online at couchtuner. Fred Armisen, Tim Heidecker and John C. Reilly star in this new comedy series as three astronauts stationed at NASA’s Moon Base Simulator in a remote part of the Arizona desert. While working vigorously to qualify for their first lunar mission, they encounter many obstacles including loneliness, self-doubt and their own incompetence. In spite of it all, they remain determined to prove they have the right stuff to reach the moon.