You may wonder why dinosaurs became extinct, well here is the answer ...They were all wiped out in a mighty Pants War! Join T-Rex and the rest of the gang as they slog it out to gain prehistoric pants supremacy in this hilarious follow-up to the award-winning Aliens Love Underpants.You may wonder why dinosaurs became extinct, well here is the answer ...They were all wiped out in a mighty Pants War! Join T-Rex and the rest of the gang as they slog it out to gain prehistoric pants supremacy in this hilarious follow-up to the award-winning Aliens Love Underpants.