The first of two Fast Show 20th anniversary specials, including favourite characters. Ted and Ralph investigate Twitter, and Rowley Birkin QC talks about... who knows what?

Car chases, huge explosions, giant robots beating each other to scrap... you won't find any of these in the new Fast Show 20th anniversary specials.

What you will find are some of your favourite characters. Ted and Ralph investigate Twitter. Rowley Birkin QC talks about - who knows what? A veteran crooner with memory problems appears on Jazz Club, and the residents of Downtown Abbey get a new butler.