Space Runaway Ideon Episode 6: White Flag of Betrayal
Episode 6 of 39 of Space Runaway Ideon, aired June 12, 1980, 25 minutes. Available with English subtitles and dub where released.
Episode summary
The colonists decide to attempt to negotiate a ceasefire with the Buff Clan. In order to signal their intentions, Cosmo raises a white flag above the Solo Ship, not knowing that the white flag means something different for the Buff Clan than for humans. Reading the signal as a challenge, the Buff Clan attack.