Episode 837: Mama's Birthday - The Day that Carmel has disappeared
One Piece Episode 837 „Mama's Birthday - The Day that Carmel has disappeared“. Adapts chapter 867. First aired: 2018-05-20.
- Read on in the manga from: Chapter 868 (Volume 86 – Emperor Assassination Plan)
- Title (Japanese): マム誕生 カルメルが消えた日
- Title (romaji): Mamu Tanjō - Karumeru Ga Kieta Hi
- First aired (Japanese): 2018-05-20
- First aired (German): 2021-04-13
- Category: Story
- Chapter adapted: Chapters 867