No Game No Life › Season 1

S1 E7: Sacrifice

Intending to challenge the Werebeasts, the siblings discover that it's hard to come with a strategy to defeat the latter, as all memories regarding the games are erased from their challengers, until Stephanie entrusts Sora a key left by the former king, leading to his secret research on how to outwit them.

Air date	May 21, 2014
Runtime	24 minutes
TMDB rating	★ 7.7/10