Help Admiral Kirk contact an alien probe with the help of some humpback whales and the Star Trek IV: The Voyage Home George & Gracie Whales Men's T-Shirt! This officially licensed and exclusive Star Trek shirt was designed by the talented Design By Humans' artist, WonkyRobot. This cool Star Trek shirt shows off "George & Gracie Cetacean Institute" and the humpback whales that helped Kirk save the Earth from aliens in the future!