The Big Bang Theory

The Classified Materials Turbulence (Season 2, Episode 22)

TV-PG

TV Episode | 19 min | Comedy, Romance

Penny's second date with Stuart has significant implications for Leonard. Howard enlists the guys' help with one of his NASA projects.

Contacts

Become a member to see contact information for The Classified Materials Turbulence.

Cast	+ Add Cast
9 cast members

Name	Known for
Johnny Galecki Leonard Hofstadter Leonard Hofstadter See fewer	The Big Bang Theory (2007)
Jim Parsons Sheldon Cooper Sheldon Cooper See fewer	The Big Bang Theory (2007)
Kaley Cuoco Penny Penny See fewer	The Big Bang Theory (2007)
Simon Helberg Howard Wolowitz Howard Wolowitz See fewer	Florence Foster Jenkins (2016)
Kunal Nayyar Raj Koothrappali Raj Koothrappali See fewer	The Big Bang Theory (2007)
Kevin Sussman Stuart Bloom Stuart Bloom See fewer	Burn After Reading (2008)
Robert Clotworthy Astronaut (voice) Astronaut (voice) See fewer	Red Notice (2021)
Travis Davis Ground Controller (voice) Ground Controller (voice) See fewer	12 Rounds (2009)
Ian Scott Rudolph Captain Sweatpants (uncredited) Captain Sweatpants (uncredited) See fewer	The Big Bang Theory (2007)