When flesh-eating piranhas are accidentally released into a summer resort's rivers, the guests become their next meal. ...

An astronaut is transformed into a murderous gelatinous mass after returning from an ill-fated space voyage. ...

When strange seeds drift to earth from space, mysterious pods begin to grow and invade San Francisco, replicating the city's residents one body at a time. ...

Three scientists help an Alien feline, stranded on Earth, to repair its damaged spacecraft in order to return home but their efforts are hampered by inept army officials and foreign spies. ...