''Planet of the Dinosaurs'' is a 1978 science fiction film. Set in an unspecified future, the film follows the journey of Captain Lee and his crew after they crash land on an earthlike planet, but millions of years behind in time. Encountering a wide variety of dangerous dinosaurs, the crew decides that its best chance for survival lies on finding higher ground and setting up a defensive perimeter on a higher plateau until their rescuers arrive. They soon encounter a deadly ''Tyrannosaurus rex'' and must figure out a way to defeat the creature and survive on the planet.

The film was a low budget endeavor with no major stars; actors James Whitworth and Max Thayer have the most film experience amongst the actors. Director James K. Shea instructed most of the budget to be spent on the special effects for the film, which included an array of award-winning stop motion dinosaurs, leaving little money for props or even to pay the main actors. Modern reviews have generally been negative, [[JustHereForGodzilla although there is agreement that the stop motion dinosaurs were the most notable and enjoyable aspect of the film]].

Was made into a {{Rifftrax}} in 2009. Not to be confused with the 1992 Italian documentary of the same name.

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!!This film provides examples of:

* AlienLunch: "I was just wondering how many other things we're going to have to get used to. Things like eating dinosaurs."
* TheDanza: Most if not all of the cast.
* EverythingsBetterWithDinosaurs
* FanService: "Bikini Girl"... [[SubvertedTrope who is immediately killed off]], to the dismay of [[{{Rifftrax}} the riffers]].
* FiveManBand: Plus four others, but by the end of the film they are narrowed down to five.
** TheHero: Captain Lee Norsythe
** TheLancer: Jim
** TheSmartGuy (TheMedic): Charlotte
** TheBigGuy: Chuck
** TheChick: Nyla
** MsFanservice: Derna and, to a lesser extent, Cindy.
** ButtMonkey: Mike
* GiantSpider: The movie's most horrifying scene.
* [[ImmuneToBullets Immune to Lasers]]: While much importance is placed on the lasers, and how they can kill almost anything, the dinosaurs of this planet just get really annoyed when shot with one.
* ImpaledWithExtremePrejudice: Harvey. Courtesy of an angry [[MamaBear Centrosaurus]] who was defending her nest (and who was peeved that lasers were being shot at her).
-->'''Mike Nelson:''' Still. He suffered less than anyone who ever watched the Creator/{{ABC}} show {{Dinosaurs}}.
* OnlySaneMan: Lee & Jim at different points in the film. Lee, initially, as seeking high ground and shelter would be an smart alternative to fighting alien life forms you know next to nothing about. Once one of those life forms takes a liking to human flesh and begins relentlessly stalking you, however, all bets are off, which is Jim's prerogative in the latter half of the film.
* SacrificialLamb: "Bikini Girl."
* ShoutOut: One of the dinosaurs that Captain Lee encounters near the end of the film when he is trying to get the T-Rex's attention is based on the Rhedosaurus, the fictional dinosaur from TheBeastFromTwentyThousandFathoms. Creator/RayHarryhausen visited the studio during production and gave his consent for the creature's cameo appearance. This was made fun of in the {{Rifftrax}}:
-->'''Mike Nelson:''' (as Rhedosaur is getting killed) Tell...Ray Harryhausen....I love him....
-->'''Kevin Murphy:''' Oh. The Beast From 20,000 Fathoms went out like a punk.
* SurprisinglySuddenDeath: "Bikini Girl" gets chomped by a barely-seen lake monster within ten seconds of diving into the water.
* TooDumbToLive: Pretty much everyone...
* TyrannosaurusRex: The villain of the film. He's practically a slasher the way he stalks our heroes.
* WalkingShirtlessScene: '''Chuck'''.
* UpperClassTwit: Harvey seems completely oblivious that he's trapped on a primitive alien world and often tries to use his former position as a company president to get the others to do things for him.

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