The Day the Earth Blew Up: A Looney Tunes Movie . Photo: Ketchup Entertainment/Everett Collection Comically massive in scale yet modest in ambition, The Day the Earth Blew Up: A Looney Tunes Movie thumbs its nose at our fascination with spectacle. Its cataclysmic science-fiction premise hinges on the loopiest of ideas, which is the Looney Tunes formula in a nutshell: Take a popular conceit and send it spinning in a cracked direction with warp-speed slapstick and throw-everything-at-the-wall