Regular broadcasts ended on 6 March 1955 (the university still has kinescopes of the series which it was reformatting in 2003/4). After that date Johns Hopkins broadcast 12 episodes of "Tomorrow" (26 March 1955 - 18 June 1955), 35 broadcasts of "Tomorrow's Careers" (17 September 1955 - 29 May 1956), followed by 141 episodes of "Johns Hopkins File 7" (11 November 1956 - 29 May 1960), which was the end of Hopkins television programming.
Has more extant episodes (over 100) than any other show aired on the DuMont Television Network. The only other DuMont shows with a large number of surviving episodes are the variety-comedy series The Morey Amsterdam Show (1948) and the religious-themed Life Is Worth Living (1952).