Right up front, "Day" unleashes two outer-space anomalies on earth: a planet-endangering asteroid and a CG flying saucer, which sends a big glob of glowing goo smashing through Porky and Daffy's roof.

FIVE little men in a flying saucer flew round the world one day. They looked left and right but they didn't like the sight So one man flew away. FOUR little men in a flying saucer flew round the ...