Dinosaur Neil, palaeontologist, curator of Dinosaur Grotto and one-time giant city-destroying mutant, is marrying Arthur's sister Dot. Chairface Chippendale, The Breadmaster and El Seed have other plans, though - plans which involve tampering with Neil's medication, man-eating bouquets, exploding wedding cake, and The Indigestible Man. And as if that wasn't enough, Neil's best man is... The Tick! It's up to our blue hero, Arthur and Dot to save Neil, with the aid of a submarine and 1,400 pounds of pungent raw meat...