Extreme bottom expedition ship Polar Bora

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Extreme bottom expedition ship Polar Bora (also known as The Last Dinosaur) is a 1977 tokusatsu kaiju film,Directed by Tsugunobu Kotani.

## Plot

The unknown crater lake reached by the underground expedition ship Polar Bora was a world inhabited by dinosaurs as it was in the primitive age . Millionaire and world-class hunter Masten steps into an unknown world in search of dinosaurs.

## Cast

* Tetsu Nakamura : Dr. Kawamoto / Inventor of Paula Bora
* Masumi Sekiya : Hazel / Primitive Woman
* Toru Kawai : Tyrannosaurus
* Tatsumi Nikamoto : Triceratops

## Staff

* Director: Tsugunobu Kotani , Alex Grashof
* Produced by: Jules Bass , Arthur Rankin, Jr. , Noboru Tsuburaya
* Screenplay: William Overgard
* Photo: Shoji Ueda
* Music: Morley Rose , Kenjiro Hirose
* Theme song: Nancy Wilson
* Special effects: Kazuo Sagawa
* Distribution company: Toho-Towa (when released in Japan)

## Titles

* Sub-Polar Exploration Ship Polar-Borer (Japanese title)
* The Last Dinosaur (最後の恐竜 Saigo no Kyōryū, early Japanese title)
* The Last Dinosaur: The Polar-Borer (最後の恐竜ポーラーボーラ Saigo no Kyōryū Pōrā-Bōra, alternate Japanese title)
* The Last Dinosaur: Sub-Polar Exploration Ship Polar-Borer (最後の恐竜　極底探険船ポーラーボーラ Saigo no Kyōryū Kyokutei Tanken-sen Pōrā-Bōra, Japanese VHS title)
* Last Dinosaur - King of Monsters (Viimeinen Dinosaurus - Hirviöitten Kuningas; Finland)

## U.S. release

*"The Last Dinosaur"* was scheduled for theatrical releases in both Japan and the United States, however it was decided at the last moment to release the film straight to television in the U.S. The film was aired on television by ABC, and had 11 minutes cut from its run time, while it was later released uncut theatrically in Japan by Toho. Warner Bros. finally released the uncut English version of the film in 2011 on DVD.

## DVD

* The notice and script until the release is a literal translation of the original title, "The **Last Dinosaur,** " and it was softened with this title on VHS . This title is also given to the surviving dinosaurs and the mastermind of the plan, Masten himself, and is also sung in the ending theme.
* The scene of the crater lake in the Arctic Circle was filmed in Kamikochi .
* Part of the special effects scene was shot with a Tyrannosaurus costume carried near Mt. Fuji.
* In the United States, after the popularity of this work, in 1978 Rankin-Bass Pro produced and directed by Tsugunobu Kotani , "A giant monster that lives in the mysterious devil's triangular waters of Bermuda! ] Was produced (Tsuburaya Productions did not participate). This work has not been released to theaters in Japan, and in the same year that this work was first broadcast on TV at " Golden Western Painting Theater " on May 4, 1979, it was one of the "Unreleased Panic Masterpiece Selection" on July 20 in the same program frame. It was broadcast as a hen.
* **Toho** DVD (2009)
	+ **Discs:** 1
	+ **Region:**2
	+ **Audio:** Japanese, English
	+ Subtitles:
	+ **Special features:** Audio commentary by director Tsugunobu Kotani and actress Masumi Sekitani, message from actress Sekitani, interview with special effects director Kazuo Sagawa (13 minutes), behind-the-scenes footage narrated by Sagawa, production galleries, Japanese trailer **Warner Archives** DVD (2011)
	+ **Region:**N/A
	+ **Discs:** 1
	+ **Audio:** English (2.0 Mono)
	+ **Subtitles:** None
	+ **Special features:** None
	+ **Notes:** Made-to-order DVD-R.