Ripple Knock Knock Doctor Who Shirt Size:3XL This Hands Across America shirt

This Hands Across America shirt advertises one of the most famous charitable events in history

Blending is the secret

but it’s ok you’re gonna make it anyway

The characters are posing around a tree in the Shermer High School library

You'll have others laughing harder at this shirt than at some of the Doctor's whimsical comments

Ripple Knock Knock Doctor Who Shirt Size:3XL This Hands Across America shirtThis Doctor Who shirt illustrates a knock knock joke that takes place at the door of the good Doctor's TARDIS. Even though this is an amusing joke on its own, you might need a Type 40, Mark 1 TARDIS for a humorous visual. If you are a fan of Doctor Who, this is the perfect shirt for you. You'll have others laughing harder at this shirt than at some of the Doctor's whimsical comments.