Sheldon Cooper (played by Jim Parsons) on The Big Bang Theory on CBS was spotted wearing this purple t-shirt with an astronaut and planet balloons on The Big Bang Theory on episode '' (10x08) in Nov 2016. Sheldon's Shirt is the The Spacemans Trip T-shirt in Purple by Gloopz at Design by Humans. For shoppable links visit wornontv.net/61959