Mythbusting T-Shirts

Give the gift of curiosity with our myth-busting t-shirts. Designed to spark conversation and showcase a love for facts, these shirts are perfect for skeptics and believers alike.

Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w
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Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w

from $29.00

Mythbusting T-Shirts Collection

Mythbusting Mugs

Explore our full range of myth-busting items, starting with these witty mugs that make every coffee break a chance to challenge assumptions.

Mythbusting Pillows

Bring humor and curiosity into your living space with our myth-busting pillows, a fun addition for any science or skepticism enthusiast.

Mythbusting Prints

Decorate your space with our myth-busting prints, blending wit and wisdom to inspire and entertain at home or in the office.