That Mitchell and Webb Look (2006)

Season 3: Episode 6

Features some unusual telephone services, including all of Wagner's operas by text; some people have a bit of a problem with a giant evil robot; and Rob gives David a less-than-relaxing massage. Plus Barbieri, the 15th century's finest inventor comes up with the tin opener, just 500 years before the invention of the tin; and two Victorian brothers find their final farewell doesn't take as long as they expected.