ThinkGeek takes 30% off select character bathrobes. With prices starting at $39.99, that's the first such discount we've seen from ThinkGeek. Shipping starts at around $7.
A best bet is the Doctor Who Dalek Bathrobe (pictured) for $48.99 plus $7.04 for shipping. That's the lowest total price we could find by $14. This 100% cotton terry-cloth robe is available in one size.