"It's been the best three-and-a-half years of my life..."

Find out how Diederick feels as he prepares to get his final black cab out of Albert Square, after nearly three-and-a-half years as EastEnders Executive Producer. What's he most proud of? His top storylines? Watch the video and wave goodbye in the comments below. And tell us your favourite storylines of the past three-and-a-half years...