In honor of the 20th Anniversary of The Twilight Zone Tower of Terror, the Disney Parks Blog announced a limited run t-shirt honoring the event. The shirt (pictured above, click for larger image) will be available exclusively at the Disney Parks online store from July 22-27, 2014. Please allow 4-6 weeks for delivery, the shirts can be purchased at: http://www.DisneyStore.com/ParkEvents.
In addition to the 20th Anniversary shirt, the merchandise team will be releasing a line of new Tower of Terror inspired merchandise beginning in 2015. The new logos will appear on shirts, apparel, housewares and more, and follows in a line of similar merchandise for The Haunted Mansion. Images of the some of the designs can be seen below.