Overlord Episode 11: Confusion and Understanding
Episode 11 of 13 of Overlord, aired September 15, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Momonga does damage control at the guild while he assesses the reason for Shalltear's revolt. Coming to the conclusion that she is under an incurable status effect, Momonga goes to the treasury to retrieve some of the powerful weapons of Nazarick.