Episode 20
Saikyou Ginga Ultimate Zero: Battle Spirits is an anime inspired by Bandai's Battle Spirits trading card game and produced by Sunrise. It is not related to any previous Battle Spirits anime work. Rei is an adventurer called a "Card Quester." He wishes to collect strong cards scattered throughout space, and a battle with his rivals unfold. (Source: Battle Spirits Wiki, ANN)
EP 20 - Episode 20
Battle Spirits: Strongest Galaxy Ultimate Zero
Saikyou Ginga Ultimate Zero: Battle Spirits is an anime inspired by Bandai's Battle Spirits trading card game and produced by Sunrise. It is not related to any previous Battle Spirits anime work.
Rei is an adventurer called a "Card Quester." He wishes to collect strong cards scattered throughout space, and a battle with his rivals unfold.
(Source: Battle Spirits Wiki, ANN)