The Seven Deadly Sins: Four Knights of the Apocalypse The Seven Deadly Sins: Four Knights of the Apocalypse Episode 23 ROYAL HOLY KNIGHTS VS MELA-GALLAND ( Air Date 2024-03-24 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "With Lancelot missing, Galland and Melascula resurrect by fusing together. Outmatched, Percival, Tristan and Gawain need all the help they can get.".