Lupin the 3rd: Blood Seal of the Eternal Mermaid is a Japanese anime television special animated by Telecom Animation Film and produced by TMS Entertainment, serving as the twenty-second television special in the Lupin the Third franchise, itself based on the manga series of the same name by Monkey Punch. Directed by Teiichi Takiguchi from a screenplay by Michihiro Tsuchiya, the special aired on Nippon Television on December 2, 2011 as part of the network's Kinyo Roadshow.