This is actually a serious monster horror with quite a good story behind it. It is not at all original but the acting, the direction and the whole film really comes off well as a good monster horror. It will hold your attention and keep you entertained but you may find it a bit silly and not scary enough. There is some good tension near the beginning but by the end this is all gone. Worth a watch and entertaining. Average monster movie affair that passes the time without much effort.

Its a decently made and not totally stupid monster movie cashing in on Jaws. The plot is lifted directly from Jaws except Richard Dreyfuss' character is female. Interestingly, Alligator uses the mayor's mafia subplot from the Jaws novel that was left out of the film.While this is atmospheric and the acting is good (especially the great Robert Forster), the film doesn't add much to the genre and its not very entertaining. To its credit, it lifts from more than just Jaws, borrowing elements from Godzilla and THEM!. Kids might like it if they can't handle Jaws yet.

A baby alligator is flushed down a Chicago toilet and survives by eating discarded laboratory rats injected with growth hormones. The small reptile grows gigantic, escapes the city sewers, and goes on a rampage.Although the film gives the location as Chicago, the police vehicles in the film appear to have Missouri license plates. When the young Marisa returns home with her family from their vacation in Florida, they pass a sign that reads "Welcome to Missouri." Later, the voice of a newscaster identifies Marisa as "a native of our city," implying the location is a city in Missouri other than St. Louis. Script error, maybe? So, maybe this was a "Jaws" ripoff and maybe Ebert thinks it is only a 1 out of 4, but sometimes (though not often) Ebert is wrong. There was much more going on here, and just making the "alligator flushed" story actually make sense was well played.

John Sayles was a man responsible for writing some of the funniest, most affectionate monster movie follow-ups to JAWS. THE HOWLING is a mega-successful, universally-loved werewolf movie and PIRANHA one of the most purely entertaining B-movies of all time. ALLIGATOR is much the same as PIRANHA, a slightly silly, overblown B-movie with a large canvas, exquisite attention to detail and finely drawn characters.Usually with these monster movies you have to wait an age before the action begins but not so here. Things open in the thick of it as we're drawn into a murky conspiracy involving a pet shop owner selling dogs to an unscrupulous scientist at a research institute. The bad news is that he disposes of the genetically-engineered bodies in the local sewer system, where an alligator has been feeding on them for the past twelve years. Now the alligator is a huge, hulking monster ready to chow down on human flesh.Into this mess is thrown permanently bemused cop Robert Forster (VIGILANTE) in what is my favourite performance of his to date. He delivers a wry comic turn as the cop in way over his head, struggling to cope with stodgy superiors, an attractive female scientist sidekick and a receding hairline to boot. Robin Riker makes an impact as the love interest, far from the usual irritating sidekick we see in these films: she's feisty, strong-willed and more than a match for Forster.There are a couple of notable turns from veteran performers, including an ancient Dean Jagger (X THE UNKNOWN) as the murky figure behind the conspiracy and a scenery-chewing Henry Silva, clearly relishing his role as an over-the-top big game hunter who's determined to track down the beast. Watching Silva gather together a trio of 'gang bangers' to act as his native bearers was a highlight for me. The rest of the film is of the usual type: monster attacks, the authorities attempting to retaliate, then a pulse-pounding climax. Sayles shows a refreshingly realistic mean spirit here (a kid gets chewed after jumping in his swimming pool) and there are severed limbs galore.Director Lewis Teague should also be applauded for keeping his film lean and mean with a great pacing and some very well staged alligator attacks. These come in the form of full-size models plus a regular-sized alligator wrecking miniature scenery. I found the alligator scenes to be delivered with aplomb, especially the grisly attack on the wedding party at the climax which really delivers the outrageous goods. The sewer-based climax, with a sweaty Forster going up against the critter with a backpack full of dynamite, is very well handled too. You guessed it, I loved this movie, it's everything I could want from a B-movie monster flick. A sequel, ALLIGATOR II: THE MUTATION, followed ten years later...