The series was shown weekly on BBC Television during its original run from 20 April 1957 onwards, in varying timeslots, with the final first run episode "Weekend Colonel" airing on 15 January 1961.[10] ITV also screened repeats of the series in most regions throughout the 1960s and 1970s, The series returned in repeats on BBC Television (later BBC1) from June 1961 to March 1967, after which it was absent from the screen until April 1973, when it returned in a late night timeslot (although listed in Radio Times as Sergeant Bilko/Bilko) becoming a staple of BBC1's post-11pm late-night schedule throughout the 70s and 80s, usually appearing immediately prior to the channel's signoff (before BBC One, as the channel was now rendered, became a 24-hour broadcaster in November 1997). The series was moved to an early evening timeslot on BBC2, beginning a repeat run of all four seasons in broadcast order from 7 November 1984.