"Under VRAINS", known as "Doorway to the Abyss" in the Japanese version, is the thirtieth episode of the Yu-Gi-Oh! VRAINS anime. It first aired in Japan on December 6, 2017 and aired on Teletoon on December 9, 2018. It became available with official subtitles via Crunchyroll on the same day.
Yusaku questions why Varis did not show up at all during the Deleted Incident. In order to clear things up, he enters LINK VRAINS to investigate. There, he runs into Ghost Gal, who is also investigating something. The two then discover a place where something abnormal is happening...
Featured Duel: Ghost Gal vs. Varis
The Duel is conducted as a Speed Duel.
Turn 1: Ghost Gal
Ghost Gal Normal Summons "Altergeist Marionetter" (1600/1700). As "Marionetter" was Normal Summoned, Ghost Gal activates its effect to Set an "Altergeist" Trap directly from her Deck. She Sets "Altergeist Manifestation". Ghost Gal Sets a card.
The following cards appeared in this episode. Cards in italics debuted here.
- In the dub, Ai says, "Heart of the cards, guide me!" when he's about to draw from Ghost Gal's deck. This is a common phrase used by Yugi Muto and Yami Yugi from Yu-Gi-Oh! Duel Monsters during duels.