Friends has been on our screens for years but it seems diehard fans are still learning new things about the sitcom and noticing filming blunders they’d never spotted before
![Friends fans puzzled by Monica blunder in season 4 they never noticed before](https://theframeloop.com/wp-content/uploads/2022/11/0_Friends.jpg)
Friends has been on our screens for years but it seems diehard fans are still learning new things about the sitcom and noticing filming blunders they’d never spotted before