"Number 73" is a British children's television series that aired from 1979 to 1980. The show was known for its unique format, combining sketches, music, and educational segments. It was aimed at children and featured a variety of characters, including the popular puppet Sooty. The program was set in a fictional house at Number 73, where the characters engaged in fun and entertaining activities. It was notable for its interactive approach, encouraging young viewers to participate and learn alongside the cast. The show remains a fond memory for many who grew up during that era.