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Official Site: Warner Bros.

is a 1977 Japanese/American tokusatsu co-production, co-directed by Alexander Grasshoff and Tsununobu Kotani (the latter billed as Tom Kotani), and co-produced by Japan's Tsuburaya Productions and Rankin/Bass Productions. The picture was filmed at Tsuburaya Studios in Tokyo The film was intended for a U.S. theatrical release, but failed to find a distributor and ended up as a television film, airing on ABC on February 11, 1977 in an edited 92-minute run time. The film was eventually picked up for overseas markets by Cinema International Corporation, where it was released in the unedited 106-minute version as a double feature in the U.K. with the edited version of Sorcerer (the latter considered a remake of The Wages of Fear). Toho also picked up distribution rights to The Last Dinosaur in Japan for a theatrical release utilizing the unedited 106-minute version in English with Japanese subtitles, and later the film debuted on Japanese television dubbed in Japanese.

The film stars Richard Boone and Joan Van Ark. William Overgard wrote the screenplay. The score was composed, as was most of the music for all Rankin/Bass specials and series, by Maury Laws, while the title song "He's the Last Dinosaur", with lyrics by Jules Bass, was sung by Nancy Wilson, and arranged and conducted by Bernard Hoffer.

Wealthy big-game hunter Maston Thrust has a multimillion-dollar company, Thrust Inc., which drills for oil under the polar caps with a manned laser drill called the "Polar Borer". Following one expedition, only one man, geologist Chuck Wade, returns; he explains that the drill was going through a routine check in the icecaps when it surfaced into a valley super-heated by a volcano. When the crew, except for Wade, began exploring the area, they were devoured by a Tyrannosaurus rex. Thrust decides to go there himself to study the creature. He brings with him Chuck; Bunta, a Maasai tracker; Dr. Kawamoto; and Frankie Banks, a Pulitzer Prize-winning photographer selected by the press pool. Thrust is initially unwilling to let Frankie join the crew, but she manages to convince him to allow her on the expedition by seducing him.

Upon arriving at the isolated valley using the Polar Borer, the group notices flying Pteranodon. Once they raft to shore, they avoid to be trampled by a Uintatherium. After setting up camp, Maston, Chuck, Bunta, and Frankie go out looking for the T. rex, while Kawamoto remains at the camp. The party encounters the T. rex and narrowly escapes from it. Later, the T. rex find the camp, destroying it and kills Kawamoto. It then attacks the Polar Borer and throws it into a canyon containing a bone field. While he continues his attack on the Polar Borer, a Triceratops unearths itself from the canyon and the two clash. After a fierce battle, the T. rex kills the Triceratops.

Tyrannosaurus Rex (The Last Dinosaur) has not been a contender in any CBUB matches.