When it comes to kitschy movies that are "so bad, they're good," there are perhaps no better examples than the infamous Sharknado movies. A film franchise created by the Syfy Channel, the series combined a ridiculous premise with even more dubious CGI, spawning a series that actually became quite popular. It's considered the nadir of animal-based horror movies by actual movie critics, though there is one definite contender to that throne.
Source：https://www.cbr.com/sharknado-birdemic-schlockbuster-king/
