The seventh season of the American television sitcom The Big Bang Theory aired on CBS from September 26, 2013 to May 15, 2014.

Bob Newhart submitted the episode "The Proton Transmogrification" for consideration due to his nomination for the Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series at the 66th Primetime Creative Arts Emmy Awards.

Club criticized some of the humor, particularly stereotypes written for the female characters, although noting that "these actors make it very funny", but praised the series on a whole; "the major strides made with Sheldon, Penny, and Leonard compensate for some of the more distasteful humor, making this a strong start for this show's seventh season".

[50] Carla Day of TV Fanatic wrote that "There were definitely some funny moments, but in its entirety it wasn't one of my favorites".

[51] Euan Ferguson of The Guardian wrote that "The Big Bang Theory is now pretty well established ... And just gets ever better".