Cardfight!! Vanguard

Season 4, Episode 17

Episode Title: Gateway to the Sanctuary

Air Date: 2014-06-29

Overview:

Naoki Ishida sees Morris Pennyworth, a butler of the Quatre Knights, who Naoki fought off before. Naoki spies on him and finds the door that leads to where the Quatre Knights and Aichi are. Upon arriving, he and the others encounter Raul Serra. Naoki challenges Serra and the fight begins.