![The Big Bang Theory season 12 spoilers: Penny's 'important' ending explained by writers | TV & Radio | Showbiz & TV | Express.co.uk The Big Bang Theory season 12 spoilers: Penny's 'important' ending explained by writers | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/590x/The-Big-Bang-Theory-season-12-penny-kaley-cuoco-johnny-galecki-lenoard-1129211.jpg?r=1558269536737)
The Big Bang Theory season 12 spoilers: Penny's 'important' ending explained by writers | TV & Radio | Showbiz & TV | Express.co.uk
![Season 12 : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Kevin Sussman, Not Specified: Prime Video - Amazon.com Season 12 : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Kevin Sussman, Not Specified: Prime Video - Amazon.com](https://m.media-amazon.com/images/I/81qOXmdB6YL._RI_SX720_FMjpg_.jpg)
Season 12 : Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Kevin Sussman, Not Specified: Prime Video - Amazon.com
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