Did you ever get to see "Little Britain"? I know it was shown on US TV but I.m guessing it was a pay channel such as BBC USA. If you have seen the show, you know the sketch with the disabled guy in a wheelchair? Well on Friday reprised that on a telethon with Professor Stephen Hawkins playing the wheelchair guy.
I couldn't find the whole thing on YouTube, but it starts here:
https://www.youtube.com/watch?v=b7d3EC-cwN4