It ran live as a half-hour weekly show on CBS from 1949 to 1952 and was broadcast from Grand Central Terminal in Manhattan.
Tripp would then play a "magic" slide flute, then he and the children would board a train and travel to Imagination Land, where they would meet a professional from each of the two areas for that week's show.
[5] Guests were as diverse as Damu, a lion tamer from Ringling Brothers Circus, and test pilot Scott Crossfield.
[7] The show was also a pioneer in using simple, early special effects, such as making it appear as if the opening train ride went through a tunnel to enter Imagination Land, emerging from the smoke from its engine.
The show also featured performances by Walter Matthau, Richard Boone, Joe Silver, Ted Tiller, and Simon Oakland.