The Big Bang Theory stars have a blast in EW's exclusive portraits

EW is saying goodbye to TV's No. 1 comedy with a geektastic guide to The Big Bang Theory. Click through to see more photos from our out-of-this-world photo shoot with Johnny Galecki (Leonard), Kaley Cuoco (Penny), and Jim Parsons (Sheldon).

For more on The Big Bang Theory and some of TV’s most exciting midseason offerings, pick up the new issue of Entertainment Weekly on stands Friday, or buy it here now. Don’t forget to subscribe for more exclusive interviews and photos, only in EW.