Belief Buster T-Shirts

Make a statement with our belief buster t-shirts—fun, clever, and designed for those who love to question the world around them while keeping it stylish and light-hearted.

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
View Product

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

Belief Buster T-Shirts Collection

Belief Buster Mugs

Explore our belief buster mugs collection for witty designs that turn skepticism into a daily dose of humor.

Belief Buster Pillows

Discover belief buster pillows to add humor and thoughtfulness to your home decor—perfect for those who love to question and relax.

Belief Buster Prints

Browse our belief buster prints to infuse your space with witty, conversation-starting artwork that challenges the ordinary.