Reminder for anyone else here in Britain that might need reminding.
Starting from 1pm today and finishing at 7pm, E4 are doing something called Big Bang Theory: The Final Countdown. They are showing 12 popular episodes, one from each series.
Then at 7pm, E4 are showing Unravelling The Mystery: A Big Bang Farewell. According to the programme description, fans will get a tour of the set, hear the show's best-kept secret and watch the cast share stories. Johnny Galecki and Kaley Cuoco host.
The Change Constant/ Series 12, Episode 23 is on at 8 pm.
And The Stockholm Syndrome/ Series 12, Episode 24, is on at 8.30 pm.
Edit: At 9 pm, there is something called Big Bang Theory of Everything. With comments from famous fans, behind-the-scenes and red carpet footage and classic clips.