Plot so thin, it passes unnoticed.

What a freaking movie. So many twists and turns. Absolutely intense from start to finish.

I gave this film a 9 out of 10, because it was exactly what I expected it to be.

There are moments that feel comical, some horrific, and some downright inspiring but the tonal shifts hardly matter as the end results come to a film that's perfect for this time.

"Forbidden World" is a movie made for all the people who watched "Alien" and thought, 'man, what this movie could really do with is more sex and less scares'. There had to be at least a handful of people out there who thought that, right? "Forbidden World" is like a love letter to those people... I guess.It begins with some ridiculous "Star Wars"-esque space ship battle sequences, which turn out to be so out of place that it is not a surprise to read that Corman recycled this footage from some other movie. Then there is some classical music, reminding us of a certain Stanley Kubrick science fiction opus. But the movie soon settles down into "Alien" territory.People forget that one of the things that made "Alien" unique was that despite its science fiction setting it didn't have the hammy dialogue and acting that sci-fi is known for. "Forbidden World" copies that, with naturalistic acting and characters who, for the most part, feel like real people......Until the sex starts. The "hero" of "Forbidden World" is not what you'd call a typical science fiction protagonist, either. He's not a big strapping strong guy and he's not especially handsome. This makes it particularly weird when he gets it on with the movies only two females. The first, a doctor, positively throws herself at him. The second one, a younger girl, has a weird dalliance with the man in which our "hero" becomes positively creepy and almost antagonistic. He walks in on the girl naked in a steam bath. She covers herself and shrieks for him to get out and leave her alone. The camera cuts to his leering visage. She relents and he has sex with her. It all seems oddly coercive.The "monster" in this movie spends most of the run time just looking like a pile of mud. I guess you have to hand it to the filmmakers that they didn't rip off "Alien" even down to the purpose of its title: the monster in this film is not an alien, it's a genetically engineered lifeform. It only really becomes a fully fledged monster at the end of the movie, and you never really get a good look at it, which is funny. You got to see the monster in "Deadly Spawn" pretty well, and that probably had a much lower budget than this.I give "Forbidden World" a 7 because it is entertaining enough. For a low budget flick I found its sets surprisingly convincing, and its two starlets are beautiful, though the hero is weirdly skeevy.

Corman is a neat guy. He's all about putting something together, engineer work. And he's quite clever, most of the time at least, to know just which parts go together, what to recycle. This is from the brief time he was rehashing popular sci-fi of the day, chiefly Star Wars and Alien. And because Alien in particular is already the product of collaborative , assembled vision, I am interested in which parts Corman reassembled.Galaxy of Terror seems more special to me, I have written quite a bit on that elsewhere. There, he retained the environment of desert planet and 'alien' compound. In a peculiar way, it was a smart annotation and reading of Scott's Alien: it was the place granting visions of horror, with visions shifting according to characters.For this one, they latched onto the creature aspect of Alien: it is the human instead of alien environment that is carried over, an extraterrestrial station carrying out bacterial research, and instead of different visions of horror, we have one shape-shifting creature.Taken together, the two films are revealing of what he thought worked in Alien. Metamorphosing evil and environment, this is what Corman zeroed on. Situations. Not Scott's approach of different fabrics of camera, something beyond his ambitions. Not organic fleshing-out of characters and space life. This model which is the way they were doing sci-fi in the 50's and 60's, dies with this film, and Cameron takes over - a Corman student on Galaxy.And something else. Alien was about the fabric of logic being torn apart - a near-metaphysical presence was onboard that defied anything reasonable.In both Corman films, the 'nature' of evil is over-explained with the usual nonsense. The overabundance of 'reason' is counterpointed with that bizarre irrationality of good exploitation: in Galaxy, you had cosmonauts going bonkers in space, and the craziness exceeded the explanation. The rape by giant worms was sleaze for the audience, it had no film-logic.Here, you have a leading scientist in bacteriological research who is basically a slutty bimbo. It makes no sense for the world of science and space exploration. It's entirely tailored for us to have a steamy sex scene. You have all sorts of amateurish decisions that are just so much fun to poke.One of the spare parts used here is a cocky space cowboy with his robot - Star Wars.

...I can remember when & where I was when I first saw this Roger Corman Classic. . . . it was when HBO was in it's infancy & late at nite or late at nite on the weekends, this movie was shown for one month straight! ..ah, what fun. Originally released in 1982 & under the title of "Mutant", the title of which was renamed "Forbidden World" when it was released in theaters as well as being re-edited, Forbidden World is about a consultant who has been sent to a far away planet where genetic engineering is being researched. Subject 20 has gotten lose inside the lab compound & eventually reeks catastrophe in the lab and in other parts/areas of the lab compound, not to mention, an appetite. ...& here is where i'll leave it without giving away the ending. For it's budget, the visual effects in this movie are quite good . . . gorry, but good. Although this movie has been branded an "alien" rip-off, . . . in my opinion (for what it's worth), I found this movie very entertaining, and fun to watch. ....especially when the monster made it's presence known. For quite sometime, this movie was only available on VHS. Now, it's been finally released on DVD & what's neat is that the Original Release of this movie under it's original title "Mutant" along with a "letter-box" and a re-mastered version of the theatrical release, and if you are a Roger Corman fan as I am, GRAB THIS DVD WHILE IT'S OUT!! ...enjoy!

Take note all you horrible makers of today's movies. This is how you make a bad movie. You do not bring in a stupid 80's mall queen, make a film with monsters that are clearly not there, and you do not skimp on the gore and nudity! No, you make a monster out of stuff just laying around, you have young gals that look like they would be more at home in an adult film, and you have lots of gore and nudity like this film does! Is it a good movie, absolutely not, but it is certainly very enjoyable to watch. Though saying this one is absolutely not good may be being a bit to harsh as I actually enjoyed the story here a bit more than other "Alien" knock off movies of this era. Heck, I enjoyed watching his film more than "Alien 3", though that film was clearly better done this one was more entertaining and I was never bored. The film starts out kind of weakly though as dude and his robot pal have a pointless space battle. I do not know who or why they are fighting these people, I don't think it is our business. Once they go to the planet of Xarbia though things really pick up. The guy in the ship is some sort of problem solver and the problem they are having on this planet is that an experiment has gotten a bit out of hand. Killed a bunch of animals and has now retreated to a cocoon. Well it is not to long before it gets out and of course some idiot could have easily ended the entire movie by being a bit more careful, but then the movie would have ended even sooner than its very short running time of 77 minutes. Lots of gore ensues as the creature mutates forms from time to time and its purpose is soon to be known. During this time you get the typical scientist that does not want to harm the creature, but capture it and an even more laughable attempt at communicating with the beast. You also get lots of boobies from the two females at this little research place. Like I said it was a fun watch, the monster looks okay in some scenes and in others it looks bad, kind of like a blown up garbage bag. However, even when it looks bad it is there unlike so many computer generated monsters of today. The film could actually use a bit more time as they could have added ten minutes and had even more deaths and the death of the one guy trying to fix something was weak compared to others. The cast is all right, the lead guy being rather good. One of the females was super hot, the other with the more blond hair was just okay. Just wished they would make cheap movies like this instead of the boring stuff they do now. I am betting this is actually cheaper to make and a lot more fun to watch.