Crunchyroll is reporting that Toonami will be airing a marathon of the entire first season of the Fena: Pirate Princess anime on October 30, 2021. The marathon is set to run from 10:30 p.m.-5:00 a.m.

The Toonami block will begin that night with Naruto Shippuden at 9:00 p.m.

Source: Crunchyroll