The complete first series ,and episode one of the second series are missing from the archives.
Six of the twelve episodes of this series are believed to be lost. The surviving six, released on DVD by Network in 2013, are sourced from Reg Varney's own off-air recordings from 1976. As an Easter Egg, Network retained the original commercials during the ad breaks.
The 'Gate referred to in the title is London's world famous Billingsgate Fish Market.
This was the last TV Sitcom Reg Varney appeared in.