Junk. Pure and simple.
An unnecessary and useless sequel to the self-mocking and campy comedy/horror Lake Placid. Not one of the original cast signed on for this dog, a very good decision on their part. Well, the baby crocodiles you see in the closing of the other movie apparently have grown up, and now have decided to pick up where their parents left off, and eat lots of people.
John Schneider is the sheriff, and just grins a lot. Cloris Leachman reprises Betty White's nut job (as her sister), but without the funny lines. A big game hunter with grenade launchers fails to match Oliver Platt's role, and the Bridgette Fonda look-alike also does nothing. Sheriff John has summertime custody of a poor actor teen son, in order to introduce some annoying cardboard cutout screaming teens. Since Croc Jr. seems to have an appetite for annoying cardboard cutout screaming teens, you quickly realize what their function to the story is, and you find yourself rooting for the croc to eat them as soon as possible. There's one idiotic scene, apparently ripped off from the 3 Stooges, where a croc victim is talking while the creature behind him waits patiently for him to shut up, before devouring him.
Nothing interesting happens. Really a bad movie, that fails at both horror and comedy. All it does is waste your time.