Tex and Harka track down the gang that has been robbing the ranches in the area.; Two bad guys let a circus tiger loose to cause a commotion so they can rob the circus box office.; The Lemonade Kid finds a secret laboratory housing a flying saucer in the middle of a burned-out volcano, but when the laboratory gets bombed, the volcano becomes active.; Bobby saves the life of a golden Palomino and in return, the horse saves his life when he is attacked by a Mountain Lion. He names the horse Amigo.