YRP are showing the BBC's hit Railway documentary, with guests including Production Manager Kane Jellyman, who features in the series.
The series follows more than ten thousand engineers and construction workers as they race to complete the brand new railway directly underneath the city - Crossrail, London's new Underground - in time for the first trains to start running.
Programme of events:
5.30 - 6pm: Welcoming guests, introduction of Kane Jellyman
6 - 7pm: Broadcast of Episode 1
7 - 8pm: Broadcast of Episode 2