Narrated by David Walliams, Are You Having A Laugh? - TV And Disability is an irreverent, funny and often cringe-making look at how television has portrayed disability over the past 50 years.

From Sandy in Crossroads to Brenda in The Office, Walliams highlights how the subject has been done well, how it's been done badly, and how box ticking, political correctness and the odd token wheelchair has taken TV from Ironside to Little Britain in one generation.

With contributions from Stephen Merchant, Ben Miller, Mat Fraser and Kiruna Stamell, Tanni Grey-Thompson and Ash Atalla, Dom Joly, Julie Fernandez and Frencesca Martinez, the programme looks back at the way society was used to seeing disability on screens and how that compares with what's on there today.