TV Show Quote design. Officially licensed Big Bang Theory merch. Show off your favorite funny sitcom in this unique Big Bang Theory gear. Bazinga! Perfect graphic merchandise for fans of Comedy, Sitcoms, Science Jokes, Nerdy Shows, 2000s Shows, Bazinga, and Funny Apparel. Show off your favorite TV show in this fun apparel from The Big Bang Theory. 8.5 oz, Classic fit, Twill-taped neck Experience the humor of The Big Bang Theory with this officially licensed pullover hoodie from Ripple Junction. This classic fit, long sleeve hoodie features a kangaroo pocket and a quote from the show, 'I'm Not Insane', on the back. Made with 80% cotton and 20% polyester, this hoodie is machine washable for easy care. Represent your fandom in style and comfort with this fun and unique piece of apparel.