Cast (5)
Johnny Galecki

Leonard Hofstadter

Jim Parsons

Sheldon Cooper

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Rajesh Koothrappali

Crew (6)

Directing

Writing

Bill Prady

Teleplay

Production

Mea Ybarra

Associate Producer

Guest stars (3)
Kevin Sussman

Stuart Bloom

Travis Davis

Ground Controller (voice)

Robert Clotworthy

Astronaut (voice)