Why Fawlty Towers remains the greatest ever sitcom, 50 years on

FT was a rehash of a 1963 US hotel comedy featuring Jonathan Harris (Lost In Space), Don Adams (Get Smart), and a spanish-speaking bellhop. (which used the lines "Oh, the pain" and "Missed it by that much")

https://youtube.com/watch?v=I-jtYPHftfY

https://en.wikipedia.org/wiki/The_Bill_Dana_Show