Updated on October 1st, 2024
One Piece: Season 21 – Episode 991
One Piece Season 21 Episode 991 – Enemy or Ally? Luffy and Yamato! – Evading Ulti and Page One, strong members of the Tobi Roppo, Luffy tries to find out what Kaido’s son Yamato’s motive is. However, the two get in a fight. Taking Luffy’s punishing attacks, Yamato remembers someone he fought against in the past. – Stream One Piece Season 21 Episode 991 Online for Free – Watch One Piece Season 21 Full Episode 991 Free – OnionFlix Official
One Piece: Season 21 – Episode 991 Streaming Online | Watch One Piece: Season 21 – Episode 991 Online
One Piece: Season 21 – Episode 991 HD Stream | One Piece: Season 21 – Episode 991 Watch HD Stream | One Piece: Season 21 – Episode 991 Online
Air Date - Sep. 12, 2021
21 - 1088Luffy's Dream Dec. 17, 2023
21 - 1087
21 - 1086A New Emperor! Buggy the Genius Jester! Dec. 03, 2023
21 - 1085The Last Curtain! Luffy and Momonosuke's Vow Nov. 26, 2023
21 - 1084Time to Depart - The Land of Wano and the Straw Hats Nov. 19, 2023
21 - 1083The World That Moves On! A New Organization, Cross Guild Nov. 12, 2023
21 - 1082
21 - 1081The World Will Burn! The Onslaught of a Navy Admiral! Oct. 29, 2023
21 - 1080A Celebration Banquet! The New Emperors of the Sea! Oct. 22, 2023
21 - 1079The Morning Comes! Luffy and the Others Rest! Oct. 15, 2023
21 - 1078
21 - 1077The Curtain Falls! The Winner, Straw Hat Luffy! Sep. 24, 2023
21 - 1076The World That Luffy Wants! Sep. 17, 2023
21 - 107520 Years' Worth of Prayers! Take Back the Land of Wano! Sep. 10, 2023
21 - 1074I Trust Momo - Luffy's Final Powerful Technique! Sep. 03, 2023
21 - 1073No Way Out! A Hellish Scene on Onigashima Aug. 20, 2023
21 - 1072The Ridiculous Power! Gear Five in Full Play Aug. 13, 2023
21 - 1071Luffy's Peak - Attained! Gear Five Aug. 06, 2023
21 - 1070
21 - 1069There is Only One Winner - Luffy vs. Kaido Jul. 16, 2023
21 - 1068
21 - 1067To the New Era! Settled! The Determination of the Brats Jul. 02, 2023
21 - 1066
21 - 1065
21 - 1064
21 - 1063Luffy is on the Move! A Turning Point of a New Era! May. 28, 2023
21 - 1062The Three-Sword Style of the Supreme King! Zoro vs. King May. 21, 2023
21 - 1061The Strike of an Ifrit! Sanji vs. Queen May. 07, 2023
21 - 1060Secrets of Enma! The Cursed Sword Entrusted to Zoro Apr. 30, 2023
21 - 1059Zoro's Hardship - A Monster! King the Wildfire Apr. 23, 2023
21 - 1058
21 - 1057For Luffy - Sanji and Zoro's Oath Apr. 09, 2023
21 - 1056Strike Back! Law and Kid's Counterattack Alliance Apr. 02, 2023
21 - 1055A Shadowy Figure Pulls the Strings! Onigashima in Flames Mar. 26, 2023
21 - 1054Death to Your Partner! Killer's Deadly Gamble! Mar. 19, 2023
21 - 1053Sanji's Mutation - The Two Arms in Crisis! Feb. 26, 2023
21 - 1052The Situation Has Grown Tense! The End of Onigashima! Feb. 19, 2023
21 - 1051A Legend All Over Again! Luffy's Fist Roars in the Sky! Feb. 12, 2023
21 - 1050Two Dragons Face Off! Momonosuke's Determination! Feb. 05, 2023
21 - 1049Luffy Soars! Revenge Against the Beasts Jan. 29, 2023
21 - 1048For the Future! Yamato and the Great Swordsmen's Pledge Jan. 22, 2023
21 - 1047Ascend to the Dawn! A Pink Dragon Gets Agitated Jan. 15, 2023
21 - 1046Taking a Chance! The Two Arms Go into Battle! Jan. 08, 2023
21 - 1045A Spell! Kid and Zoro Facing Threats! Dec. 17, 2022
21 - 1044Clutch! A Demon Incarnate, Robin! Dec. 10, 2022
21 - 1043Slash the Nightmare - Brook Draws His Freezing Sword! Dec. 04, 2022
21 - 1042The Predator’s Trap! Black Maria’s Temptation! Nov. 27, 2022
21 - 1041Showdown Battles of the Monsters! Yamato and Franky! Nov. 20, 2022
21 - 1040The Pride of a Helmsman? The Enraged Jimbei! Nov. 13, 2022
21 - 1039A Dramatic Increase of Allies! Straw Hats Fight Back! Nov. 06, 2022
21 - 1038Nami’s Lethal Attack! Otama’s Desperate Challenge! Oct. 30, 2022
21 - 1037Believe in Luffy! The Alliance's Counterattack Begins! Oct. 23, 2022
21 - 1036
21 - 1035The Beasts Trampled! The End of the Kozuki Family! Oct. 02, 2022
21 - 1034Luffy, Defeated! The Straw Hats in Jeopardy?! Sep. 25, 2022
21 - 1033
21 - 1032
21 - 1031Nami Screams! A Deadly Death Race! Sep. 04, 2022
21 - 1030A Pledge for the New Genesis! Luffy and Uta! Aug. 21, 2022
21 - 1029A Faint Memory! Luffy and Red-Haired's Daughter Uta! Aug. 14, 2022
21 - 1028
21 - 1027Protect Luffy! Zoro and Law's Sword Technique Jul. 31, 2022
21 - 1026
21 - 1025
21 - 1024Oden Appears! The Confused Hearts of the Red Scabbards! Jul. 10, 2022
21 - 1023Preparations OK! Chopperphage Nebulizer! Jul. 03, 2022
21 - 1022No Regrets! Luffy and Boss, a Master-Disciple Bond! Jun. 19, 2022
21 - 1021Spank Strikes! Sanji's Woman-trouble! Jun. 12, 2022
21 - 1020Sanji's Scream! An SOS Echoes Over the Island! Jun. 05, 2022
21 - 1019Otama's Secret Plan! Operation Kibi Dango! May. 29, 2022
21 - 1018
21 - 1017
21 - 1016The Battle of the Monsters! The Three Stubborn Captains! May. 08, 2022
21 - 1015
21 - 1014Marco's Tears! The Bond of the Whitebeard Pirates! Apr. 17, 2022
21 - 1013
21 - 1012A Turnaround Move! The Flames of Marco the Phoenix! Feb. 27, 2022
21 - 1011It's Not Okay! The Spider lures Sanji! Feb. 20, 2022
21 - 1010Eliminate the Ice Oni! Chopper's Fire Trick! Feb. 13, 2022
21 - 1009Sasaki’s Onslaught! Armored Division vs. Yamato! Feb. 06, 2022
21 - 1008Nami Surrenders?! Ulti's Fierce Headbutt! Jan. 30, 2022
21 - 1007Zoro's Pursuit! Ice Oni Tag! Jan. 23, 2022
21 - 1006I Won't Forgive Him! Chopper's Determination! Jan. 16, 2022
21 - 1005
21 - 1004
21 - 1003A Heroic Blade! Akazaya vs. Kaido, Again Once More! Dec. 12, 2021
21 - 1002A New Rivalry! Nami and Ulti! Dec. 05, 2021
21 - 1001A Risky Invitation! A Plot to Eliminate Queen! Nov. 28, 2021
21 - 1000Overwhelming Strength! The Straw Hat Pirates Gather! Nov. 21, 2021
21 - 999The Fate That Protects You! Yamato and Momonosuke! Nov. 14, 2021
21 - 998The Rebellion of Zeus?! Nami's Desperate Situation! Nov. 07, 2021
21 - 997
21 - 996Onigashima in Tumult! Luffy's All-Out War Begins! Oct. 24, 2021
21 - 995Raid! Inheriting Oden's Will! Oct. 10, 2021
21 - 994The Akazaya Face-off! Kikunojo vs. Kanjuro! Oct. 03, 2021
21 - 993Explosive?! The Handcuffs that Shackle Yamato's Freedom! Sep. 26, 2021
21 - 992Desire to be Oden! Yamato's Dream! Sep. 19, 2021
21 - 991Enemy or Ally? Luffy and Yamato! Sep. 12, 2021
21 - 990Thunder Bagua! Here Comes Kaido's Son! Sep. 05, 2021
21 - 989Oath of Man! Fierce Battle of the Brachio-Tank! Aug. 29, 2021
21 - 988
21 - 987His Dream Broken?! The Trap That Lures Sanji! Aug. 15, 2021
21 - 986Fighting Music! An Ability That Harms Luffy! Aug. 08, 2021
21 - 985Thinking of Otama! Luffy's Furious Strike! Aug. 01, 2021
21 - 984
21 - 983
21 - 982Kaido's Trump Card! The Tobi Roppo Appear! Jul. 11, 2021
21 - 981A New Member! 'First Son of the Sea' Jimbei! Jul. 04, 2021
21 - 980A Tearful Promise! The Kidnapped Momonosuke! Jun. 27, 2021
21 - 979Good Luck!? Leader Kin'emon's Plot Jun. 20, 2021
21 - 978
21 - 977Pirates at Sea! Raid! Onward to Onigashima Jun. 06, 2021
21 - 976Back to the Present Day! 20 Years Later! May. 30, 2021
21 - 975The Castle on Fire! The Fate of the Kozuki Clan! May. 23, 2021
21 - 974Oden Wouldn't Be Oden If It Wasn't Boiled! May. 16, 2021
21 - 973Boiled to Death! Oden's One-hour Struggle! May. 09, 2021
21 - 972The Moment of Conclusion! Oden vs. Kaido! May. 02, 2021
21 - 971Raid! Oden and the Nine Red Scabbards Apr. 25, 2021
21 - 970Sad News! The Dawn Of The Great Pirate Era! Apr. 18, 2021
21 - 969To the Land of Wano! The Roger Pirates Disband! Apr. 11, 2021
21 - 968The Birth of the Pirate King - Arrival! The Last Island! Apr. 04, 2021
21 - 967The Bet of a Lifetime! Roger's Adventure! Mar. 28, 2021
21 - 966Roger's Wish! A New Journey! Mar. 21, 2021
21 - 965Crossing Swords! Roger and Whitebeard! Mar. 07, 2021
21 - 964Whitebeard's Little Brother! Oden's Great Adventure! Feb. 28, 2021
21 - 963Oden's Determination! Whitebeard's Test! Feb. 21, 2021
21 - 962Changing Destiny - The Whitebeard Pirates Cast Ashore! Feb. 14, 2021
21 - 961Tearful Apprentice - Oden and Kin'emon Feb. 07, 2021
21 - 960The Best Samurai in Wano Country! Kozuki Oden Appears Jan. 31, 2021
21 - 959The Rendezvous Port! The Land of Wano Act Three Begins! Jan. 24, 2021
21 - 958A Legendary Battle! Garp and Roger Jan. 17, 2021
21 - 957Big News! The Warlords Attack Incident Jan. 10, 2021
21 - 956
21 - 955A New Alliance?! Kaido's Army Gathers Dec. 20, 2020
21 - 954Your name is Enma! The Great Swords of Oden! Dec. 13, 2020
21 - 953Hiyori's Confession! Reunion at the Bridge of Thieves! Dec. 06, 2020
21 - 952
21 - 951Orochi's Hunting Party! The Ninja Group vs. Zoro! Nov. 22, 2020
21 - 950Warriors' Dream! Luffy's Conquer of Udon! Nov. 15, 2020
21 - 949We're Here to Win! Luffy's Desperate Scream! Nov. 08, 2020
21 - 948Start Fighting Back! Luffy and the Akazaya Samurai! Nov. 01, 2020
21 - 947Brutal Ammunition! The Plague Rounds Aim at Luffy! Oct. 25, 2020
21 - 946Stop the Emperor of the Sea! Queen's Secret Plan! Oct. 18, 2020
21 - 945
21 - 944The Coming of the Storm! Big Mom's Great Rampage! Oct. 04, 2020
21 - 943Luffy's Determination! Win Through the Sumo Inferno! Sep. 27, 2020
21 - 942
21 - 941Toko's Tears! Orochi's Pitiless Bullets! Sep. 13, 2020
21 - 940Zoro's Fury! The Truth About the Smile! Sep. 06, 2020
21 - 939The Straw Hats Run! Save the Captive Tonoyasu! Aug. 30, 2020
21 - 938
21 - 937Tonoyasu! Ebisu Town's Most Loved! Aug. 16, 2020
21 - 936Get the Hang of It! The Land of Wano's Haki - Ryuo! Aug. 09, 2020
21 - 935
21 - 934A Big Turnover! The Three-Sword Style Overcomes Danger! Jul. 26, 2020
21 - 933Gyukimaru! Zoro Fights a Duel on Bandit's Bridge! Jul. 19, 2020
21 - 932Life or death. Queen's Sumo Inferno! Jul. 11, 2020
21 - 931Climb Up! Luffy's Desperate Escape! Jul. 04, 2020
21 - 930A Lead Performer! Queen the Plague Emerges! Jun. 27, 2020
21 - 929The Bond Between Prisoners! Luffy and Old Man Hyo! Apr. 19, 2020
21 - 928
21 - 927Pandemonium! The Monster Snake, Shogun Orochi! Apr. 05, 2020
21 - 926A Desperate Situation! Orochi's Menacing Oniwabanshu! Mar. 29, 2020
21 - 925Dashing! The Righteous O-Soba Mask! Mar. 22, 2020
21 - 924
21 - 923A State of Emergency! Big Mom Closes in! Feb. 23, 2020
21 - 922A Tale of Chivalry! Zoro and Tonoyasu's Little Trip! Feb. 16, 2020
21 - 921
21 - 920A Great Sensation! Sanji's Special Soba! Feb. 02, 2020
21 - 919Rampage! The Prisoners - Luffy and Kid! Jan. 26, 2020
21 - 918It's On! The Special Operation to Bring Down Kaido! Jan. 19, 2020
21 - 917
21 - 916A Living Hell! Luffy, Humiliated in the Great Mine! Jan. 05, 2020
21 - 915Destructive! One Shot, One Kill - Thunder Bagua! Dec. 22, 2019
21 - 914Finally Clashing! The Ferocious Luffy vs. Kaido! Dec. 15, 2019
21 - 913Everyone is Annihilated! Kaido's Furious Blast Breath! Dec. 08, 2019
21 - 912
21 - 911
21 - 910A Legendary Samurai! The Man Who Roger Admired! Nov. 17, 2019
21 - 909
21 - 908
21 - 907Romance Dawn Oct. 20, 2019
21 - 906Duel! The Magician and the Surgeon of Death! Oct. 13, 2019
21 - 905Taking Back Otama! A Fierce Fight Against Holdem! Oct. 06, 2019
21 - 904Luffy Rages! Rescue Otama from Danger! Sep. 29, 2019
21 - 903
21 - 902
21 - 901
21 - 900
21 - 899Defeat is Inevitable! The Strawman's Fierce Attack! Aug. 25, 2019
21 - 898The Headliner! Hawkings the Magician Appears! Aug. 18, 2019
21 - 897Save Otama! Straw Hat, Bounding through the Wasteland! Aug. 11, 2019
21 - 896Special Edition! Luffy vs. Carbonic Acid King Aug. 04, 2019
21 - 895Special Edition! The Strongest Bounty Hunter Cider Jul. 28, 2019
21 - 894He'll Come! The Legend of Ace in the Land of Wano! Jul. 21, 2019
21 - 893Otama Appears! Luffy vs. Kaido's Army! Jul. 14, 2019
21 - 892