MAC Annihilated! Those UFOs Are Alive! (MAC全滅! 円盤は生物だった! - MAC zenmetsu! Enban wa seibutsudatta!?) is the 40th episode of Ultraman Leo. This episode aired January 10th, 1975. This episode is Part 1 of Ultraman Leo's "Saucer Creature"-themed series of episodes. This episode is notable for being the only episode in an Ultra Series to kill off the the members of a team in an Ultra series.