Eventually, the series transitioned to original episodes, with a new cast of characters and actors, notably Edgar Buchanan as Hopalong's sidekick Red Connors.

However, Boyd thought Hopalong Cassidy might have a future in television, and spent $350,000 to obtain the rights to his old films;[1] he sold or mortgaged almost everything he owned to raise the money.

[3] Hopalong Cassidy begain airing on June 24, 1949, and was the first network Western television series, predating The Lone Ranger by several months.

[6] In 1950, more than 100 companies manufactured $70 million of Hopalong Cassidy products,[1] including children's dinnerware, pillows, roller skates, soap, wristwatches (made by Timex), and jackknives.

On June 7, 2011, Timeless Media Group released Hopalong Cassidy: The Complete Television Series on DVD in Region 1.