This (vine) swinging double bill opens with Olympic great Buster Crabbe as "Tarzan the Fearless," helping a young girl find her father, discovering a lost city, and fighting treacherous Arabs. Jacqueline Wells, Eddie Woods co-star; adapted from theserial of the same name. Next, decathlon champ Glenn Morris takes over the reins as Tarzan, rescuing a young woman from the evil clutches of a demented ruler who plans to keep her captive in his hidden fortress, in "Tarzan's Revenge." With Eleanor Holm and C. Henry Gordon. 148 min. total. Standard; Soundtrack: English Dolby Digital mono; bonus serial episodes.