What Happens: After Sauron’s army penetrate the outer wall at the battle of Helm’s Deep, nimble elf Legolas comes to rescue his pals by riding a shield down the battlement steps, rapid-firing arrows as he goes. 

Why It's Stupid: Even in the name of action, it's dreadfully misjudged. The machine-gun archery from smug, slap-headed Orlando Bloom rips the mostly dead-on atmosphere of Jackson’s super-faithful trilogy to campy bits. He might as well have had a sodding lightsabre.