Shark Tank S07 E22

Two beer enthusiasts from Pittsburgh believe they have come up with the second-best invention of all time; a former aerospace engineer is determined to reinvent the vending machine; a pair from Austin pitch a safe bug repellent for household pets; and the Sharks taste-test a line of vegetable smoothies. Also: an update on Kevin O’Leary’s investment in a line of intricate pop-up greeting cards.