Action Comics swap bodies with a gorilla and his strip was renamed Congorilla. The introduction of Supergirl by Otto Binder and Al Plastino occurred in issue #252 (May 1959). Following this debut appearance, Supergirl adopted the secret identity of an orphan "Linda Lee" and made Midvale Orphanage her base of operations. In "Action Comics" #261 (February 1960), her pet cat Streaky was introduced by Jerry Siegel and Jim Mooney. Supergirl joined the Legion of Super-Heroes in issue #276 and acted for three years as Superman's "secret weapon," until her existence was revealed in "Action Comics" #285 (January 1962). In the view of
Hero of the Hour 11.7 million viewers on its debut broadcast, becoming one of the channel's highest rated new dramas of the year. The BBC later reported in 2002 that the film had been Kemp's most successful project for the channel, following a poor start for his action drama series "Ultimate Force", which suffered badly in direct competition with "Waking the Dead". An extended version of the film was released on VHS on 19 June 2000, containing footage not broadcast on television, as well an exclusive behind-the-scenes documentary; but has yet to be released on DVD. Filming for "Hero of the Hour" commenced in