Farewell, Leo! Setting Off for the Sun (さようならレオ! 太陽への出発 - Sayōnara Reo! Taiyō e no shuppatsu?) is the 51st episode, and the Series Finale of the series, Ultraman Leo. This episode aired March 28th, 1975. This episode is the final part of Ultraman Leo's "Saucer Creature"-themed series of episodes.