![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
![Here's what happened in The Big Bang Theory's bittersweet finale that fans are praising as "perfect" Here's what happened in The Big Bang Theory's bittersweet finale that fans are praising as "perfect"](https://hips.hearstapps.com/hmg-prod/images/big-bang-theory-finale-3-jpg-1558056196.jpg)
Here's what happened in The Big Bang Theory's bittersweet finale that fans are praising as "perfect"
![Inside the Big Bang Theory series finale: The Hofstadters, those kids, and that special guest | EW.com Inside the Big Bang Theory series finale: The Hofstadters, those kids, and that special guest | EW.com](https://static.onecms.io/wp-content/uploads/sites/6/2019/05/114996_wb_0206b-1-2000.jpg)
Inside the Big Bang Theory series finale: The Hofstadters, those kids, and that special guest | EW.com
![Big Bang Theory' Cast Emotionally Celebrates Series Finale With Touching Tributes and Throwback Pics | Entertainment Tonight Big Bang Theory' Cast Emotionally Celebrates Series Finale With Touching Tributes and Throwback Pics | Entertainment Tonight](https://www.etonline.com/sites/default/files/styles/max_1280x720/public/images/2019-05/the_big_bang_theory_cast_gettyimages-504562490_1280.jpg?h=c673cd1c&itok=16BtaqAX)