The stage has been set and the time has come. The crew of Apollo 8 are go for TLI. Let's go to the moon!

Apollo 8 was humanity's first time leaving its home planet, and it was just too big to fit into one episode. Join us this week as we learn about the mission's origins, who will be flying it, and how tricky it is to plan a launch window.

Wally Schirra, Donn Eisele, and Walter Cunningham get NASA back on track and fly the first crewed mission of the Apollo Program.