Kirk, Spock, and McCoy discover the Batmobile from the 1960s-era Batman television show. Meanwhile, Batman and Robin find the Galileo II shuttlecraft from Star Trek.
YouTube user SpockBoy presents this perfectly edited mashup illustrating a crossover that should have been. Just imagine the Penguin teaming up with the Klingons to rob a bank and/or obliterate Gotham City!
-via Tor