Voltron: The Beast King Go-Lion Season 1 Episode 15

Believing that she should be the leader of the GoLion Team, Princess Fala secretly commandeers the Black Lion. As she boards the Lion Sincline launches an attack. Having no time to set things right Akira Kogane is forced to pilot the Blue Lion. Fala's inexperience with the Black Lion nearly causes the team to go down in defeat but they manage to force Sincline to withdraw. Extremely disappointed with Fala the team begins to think that maybe she is not a suitable replacement for the late Takashi Shirogane.