It's a Square World was a comedy television series originally aired from 1960 - 1964.
Crossover[]
Doctor Fotheringown and an interviewer. (TV: The Doctor's New Invention [+]Error: Code 2 - no data stored in variables, cache or SMW.)
A Doctor Who-themed sketch titled "The Doctor's New Invention [+]Error: Code 2 - no data stored in variables, cache or SMW." was aired on the show in 1963, very early into Who's history.
Other connections[]
To be added