TV tonight: what could possibly go wrong in the live EastEnders episode?

The soap is celebrating its 40th anniversary with this interactive special. Plus: the finale of The Vanishing. Here’s what to watch this evening

7.30pm, BBC One
The BBC has gone all in for EastEnders’ 40th anniversary: Ross Kemp’s back on the square as Grant Mitchell, and iPlayer is overflowing with classic “doof doof” episodes and spin-offs. The jewel in the crown, though, is this live episode, with an interactive twist as the public will be allowed to decide the outcome of one storyline: will Denise end up with Mr Reliable, Jack, or take a chance on Ravi? But more importantly, will anything go disastrously wrong? Hannah J Davies