Season 10, Episode 6 - The Fetal Kick Catalyst
Aired October 27, 2016
When Penny is invited to sign autographs at the Van Nuys Comic Con, she is surprised to find there are fans of "Serial Ape-ist". Amy convinces Sheldon to host friends in their new apartment, but Sheldon's comments to the assembled guests cause offense.
Meanwhile, Howard starts to freak out about being ready for the arrival of their baby, he makes a few impulse purchases without consulting Bernadette.