As one of its daily deals, That Daily Deal offers this Doctor Who-Inspired Police Box T-Shirt for $9.99 with free shipping. That's $8 under the lowest total price we could find for a similar Doctor Who/Tardis-themed shirt elsewhere. It's available in sizes S to XL. Deal ends October 22.
Note that size XXL is available for an additional 99 cents and size 3XL for $1.99 more.