Proposed by Nameless_Nemesis on 12 Jan. 2023 at 06:27 PM
This proposal will make the following change(s):
Update the episodes duration of the anime Grendizer: Getter Robo G - Great Mazinger Kessen! Daikaijuu
Change the episodes duration from Unknown to 31min.
Based on the following reason: Missing
With the source: MAL
