[s9e9]: The Platonic Permutation
Jim Parsons, Mayim Bialik, Johnny Galecki, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Laura Spencer
Howard, Bernadette, Raj, and Emily volunteer at a soup kitchen. Howard is initially reluctant and complains about the work until he meets Elon Musk , who is also volunteering there. [S9E9] The Platonic Permutation
Amy reveals she has been on six dates with three different men since their breakup. Episode Information Series/Season The Big Bang Theory , Season 9, Episode 9 Original Air Date November 19, 2015 Director Mark Cendrowski Key Cast Jim Parsons, Mayim Bialik, Johnny Galecki, Kaley Cuoco,