From the Earth to the Moon Season 1 Episode 3

Jo Schirra: I think the reason we've been married for so long is because Wally's been away half the time.

Don Eisle: (on being the unknown member of Apollo 7 crew) I can just see Cronkite sayin' (impersonates Walter Cronkite) "And as the brave crew of Apollo 7 blasts off, we bid our fond farewell to Wally, Walt and What's His Name."

John Young: (the situation is) Like being the only cowboy in a team ropin' competition.
Guenter Wendt: I wouldn't know, John. The rodeo rarely came to Berlin.

Wally Schirra: (about Apollo One) We're all test pilots. We're accustomed to things going wrong at times. You're sad. You mourn the loss. But you don't wear the black armband forever.

Frank Burns: If this mission is successful, do you feel confident you'll be going to the moon? That you'll be going sometime soon?
Walt Cunningham: We're gonna be playin' golf on the moon in the next ten years.

Master Sargeant Lawrence: Ultimately the most important tool available to us for predicting the local weather is this window.

(Shortly before Apollo 7 lifts off)
Walt Cunningham: (after the pad crew has left the tower) It's so quiet.
Donn Eisele: Yeah. I wonder where Guenter Wendt.
(The astronauts laugh)
Wally Schirra: I'm gonna steal that!