Cardfight!! Vanguard

Season 3, Episode 21

Episode Title: Summoning Experiment

Air Date: 2020-01-18

Overview:

The one who greets Shinemon and friends from mysterious research laboratory "Ryuzu's Lab" is none other than Tatsuya. Shinemon challenges the head of the lab Ryuzu Myoujin to a fight, and bears witness to a shocking experiment.