Penny’s decision to turn down the role is met confusion and anger from Leonard. However, following a discussion with guest star Wil Wheaton, Penny reconsiders and films for the movie. Along

with Wil, the duo began filming the second movie in the series but are both fired halfway through. After being hired again off-screen and completing the film, Penny is talked into watching

it online in season eight, episode 14. Serial Ape-ist is brought up again is when Penny and Wil discuss it on his podcast during season eight, episode 20 and once more when she attends a fan

convention in season 10. _THE BIG BANG THEORY IS AVAILABLE TO STREAM ON NETFLIX UK NOW._