Watch Piranha II: The Spawning (1982) HD Full Movie Free on SolarMovie. Watch Piranha II: The Spawning (1982) online free. A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a s...A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.