Following a pilot episode on 10 November 1963 , the 30 - minute US series , also featuring Frost , ran on NBC from 10 January 1964 to May 1965 .
An American version of TW3 ran after the original British series had ended .
Following a pilot episode on 10 November 1963 , the 30 - minute American series , also featuring Frost , ran on NBC from 10 January 1964 to May 1965 .
An American version of TW3 ran after the original British series had ended .