![The Big Bang Theory Season 12 Episode 23, 24 Series Finale Review: The Change Constant – The Stockholm Syndrome – Appocalypse The Big Bang Theory Season 12 Episode 23, 24 Series Finale Review: The Change Constant – The Stockholm Syndrome – Appocalypse](http://www.appocalypse.co/wp-content/uploads/2019/05/The-Big-Bang-Theory-Season-Series-Finale-Final-Shot.jpg)
The Big Bang Theory Season 12 Episode 23, 24 Series Finale Review: The Change Constant – The Stockholm Syndrome – Appocalypse
![Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch - Kaley Cuoco Melissa Rauch Photos - Zimbio Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch - Kaley Cuoco Melissa Rauch Photos - Zimbio](https://www3.pictures.zimbio.com/zp/SWIpU4DwxGOx.jpg)
Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch - Kaley Cuoco Melissa Rauch Photos - Zimbio
![Amazon.com: The Big Bang Theory: Season 4 : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg: Movies & TV Amazon.com: The Big Bang Theory: Season 4 : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg: Movies & TV](https://m.media-amazon.com/images/I/51xFEUMmkdL._AC_SY580_.jpg)