plane. >> reporter: one instagram poster asked, wasn't this a "twilight zone" episode? william shatner flying through a storm spotted a creature out on the wing. there were no flight attendants to call when jay leno popped up. >> there's a man out there! >> what? >> look, look! he's crawling on -- >> reporter: leno may be in the twilight of his career, but he still knows how to land a practical joke. jeanne moos, cnn, new york. >> unbelievable stuff. california's former governor, otherwise known as the terminator, is back, taking covid deniers to task during an interview with retired lieutenant colonel alexander vindman and cnn's bianca golodryga.