Season 5 Episode 23

7/11

New Tact

NASA reschedules Howard's mission, putting the wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom, and Amy (Mayim Bialik, right) tries a new tact with Sheldon (Jim Parsons, left). Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.