Two Lost Worlds
- Blwyddyn: 1951
- Gwlad: United States of America
- Genre: Adventure, Action, Science Fiction, Romance
- Stiwdio: Sterling Productions Inc.
- Allweddair: australia, ship, island, volcano, giant lizard, marooned, pirate, deserted island, volcanic eruption, clipper ship, 19th century
- Cyfarwyddwr: Norman Dawn
- Cast: James Arness, Kasey Rogers, Gloria Petroff, Bill Kennedy, Pierre Watkin, Tom Hubbard