ingredients for a SciFi original movie

[veins_of_ink]

Chose one of the following:

Regular animal that has become giant
Mythical creature that is now for some reason real
Creature/animal from the past that survived/reborn/hung around
Aliens

Stir in one competent actor and a handful of B-listers

Add generous helpings of exposition

Cook for an hour-and-a-half

Best served in groups

Laughter may occur.