Discovery Coupons & Promo Codes

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10%Off sale

10% Off Sitewide


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Past Discovery Coupon Codes

These Discovery promo codes have expired but may still work.

15%Off code

15% Off Sitewide


Get 15% off sitewide when you use this Discovery coupon code during checkout. Valid now through February 28th.
...YOU Coupon Code Expired 02/28/16
15%Off code

15% Off Mythbusters Gear


Save 15% off Mythbusters merchandise with this promo code at checkout. This offer expires January 31st.
...aff Coupon Code Expired 01/31/16