A space child, lost in the universe, is abducted by the U. S. Space Foundation. In a desperate intergalactic search for the frightened little alien, his brother Nukie® mistakenly lands in Africa where he is befriended by African twins. Together they journey through the laughter and adventure of talking lions, a greedy witch doctor, a charming chimpanzee, a feisty nun, a compassionate scientist and an outrageous romantic computer named E.D.D.I.

Reporter J.J. wants to write a story about an Afrika rallye, 3000 km across desert and steppe. Unfortunately her driver and car get lost only days before the start, so she hires ex-stuntman Eddie and buys a wreck of a car from her last money. Eddie can help her to a new motor - by stealing it from the ruthless count Borgia, who from now on is their hardest and meanest competitor in the rallye.

A couple of young scientists, Mel Noble and Roxeanne Tangent, travel to an island in Africa thought to be deserted in search of crocodile life, when African Natives storm the camp and kidnap Roxeanne. Her father, Gordon hires Steiger and his team of investigators to track down the natives that worship crocodiles as sacred animals. The problem is: they can't be seen. With natives in the jungles and crocodiles in the waters, Steiger and his crew must fight to survive and save Roxeanne from being sacrificed in a gruesome ritual with an "Enemy Unseen."