William Boyd insisted on speaking grammatical English during this series, because he knew so many children would be watching and wanted to set a good example.
From 1949-53, NBC aired 52 theatrical Films of "Hopalong Cassidy" .This new series, (1952-54) , consisted of 40 new episodes made for TV, 1/2 hr in length, plus 12 additional theatrical features that were edited to fit the 30 minute time slot.