Season 10

Season 10 was confirmed on May 12, 2014, along with seasons 8 and 9. It is currently airing in the 2016-17 season. The creator of the show and head of CBS have confirmed that Season 10 will not be the last season as the cast is also interested. No new contracts yet though the network, production company and stars want to have at least another season. Seasons 11 & 12 were picked up on March 21, 2017.

It premiered on September 19, 2016.

Cast

 * Johnny Galecki as Leonard Hofstadter (19/24)
 * Jim Parsons as Sheldon Cooper (19/24)
 * Kaley Cuoco as Penny Hofstadter (19/24)
 * Simon Helberg as Howard Wolowitz (19/24)
 * Kunal Nayyar as Rajesh Koothrappali (19/24)
 * Mayim Bialik as Amy Farrah Fowler (19/24)
 * Melissa Rauch as Bernadette Rostenkowski-Wolowitz (19/24)
 * Kevin Sussman as Stuart Bloom (Recurring & Main Cast) (9/24)

Trivia

 * Leonard and Penny's vow renewal was in the first episode "The Conjugal Conjecture". 2016N.png
 * Bernadette gave birth to a baby girl named Halley who was born in the 11th episode, The Birthday Synchronicity. Before then, although, producer Steven Molaro said that there is no hurry and that they would probably take their time with that storyline.
 * Penny's mother and brother appeared for the first time ever in the season 10 premiere. Her mother, Susan, is played by actress Katey Sagal (', ', '), and her brother, Randall, is played by actor Jack McBrayer ('). Katey already played Kaley Cuoco's television mother in 8 Simple Rules. Penny's Brother was mentioned in The Emotion Detection Automation, but did not physically appear.
 * Dean Norris () has been cast in multiple episodes, he portrays Colonel Richard Williams, "a tough Air Force representative from the Department of Materiel Command, who’s interested in the boys’ quantum gyroscope for military applications." So far, he has appeared in the first, second, third, and fifteenth episodes.
 * Penny may or may not be looking for a new job.
 * Sheldon and Amy start living together and this relieves Leonard and Penny, who can now live by themselves. Shamy's living arrangements become permanent in the seventh episode "The Veracity Elasticity".
 * Howard's father is likely to appear in this season, which has been hinted.
 * Brandon Jones guest starred in Episode 3 of this season titled "The Dependence Transcendence", portraying the role of The Flash in Sheldon's caffeine-induced dream. Also, in this episode, Bert, the tall geologist that has a crush on Amy reappeared after his previous appearance in "The Occupation Recalibration" (S7E13), a span of 62 episodes. He also reappeared in episode 6, "The Fetal Kick Catalyst", episode 9, "The Geology Elevation", episode 16, "The Allowance Evaporation", and will reappear in episode 21, "The Separation Agitation". Also, Raj's father, V. M. Koothrappali, reappeared in "The Dependence Transcendence" after being absent in Season 9. His previous appearance was in "The Graduation Transmission" (S8E22), a span of 29 episodes. He reappeared in "The Allowance Evaporation".
 * In "The Hot Tub Contamination", Raj revealed he has broken up with both Emily and Claire.
 * Raj gets a new love interest, Isabella, but they have broken up as of "The Emotion Detection Automation".
 * Christopher Lloyd appeared in the 10th episode, The Property Division Collision, as an old man who rented Sheldon's old room and gave Sheldon and Leonard good advice on why they were fighting. He is no longer there as of episodes 14 and 18.
 * Steven Molaro teased that Emily and Claire would be back in season 10. This was soon confirmed and it was also announced that they will also be reappearing along with Raj's ex-girlfriends Emily (the deaf girl) and Lucy in episode 14 "The Emotion Detection Automation".
 * Randall was mentioned in episode 14, though he made no appearance; It was hinted that he was moving to Pasadena.
 * Raj became financially independent when he cuts himself off from his dad's monetary supply.
 * Beverly Hofstadter reppeared in episode 18, "The Escape Hatch Identification". Her most recent appearance was the season premiere.