The eighth season of the American television sitcom, The Big Bang Theory, aired on CBS from September 22, 2014 to May 7, 2015.
The series returned to its regular Thursday night time slot on October 30, 2014 after Thursday Night Football on CBS ended.
Mayim Bialik submitted the episode "The Prom Equivalency" for consideration due to her nomination for the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series at the 67th Primetime Emmy Awards. Christine Baranski submitted the episode "The Maternal Combustion" for consideration due to her nomination for the Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series at the 67th Primetime Creative Arts Emmy Awards.
Carol Ann Susi, the voice of the never-seen Mrs. Wolowitz, died of cancer at age 62 on November 11, 2014. In the season's fifteenth episode, "The Comic Book Store Regeneration", Howard Wolowitz receives a phone call that his mother died while visiting family in Florida.