|This article is about a/an episode in Chouriki Sentai Ohranger.|
Earth's Final Day!! (地球最期の日！！ Chikyū Saigo no Hi!!?) is the forty-sixth episode of Chouriki Sentai Ohranger. This is the second part of the four-part series finale; culminating Baranoia's invasion of Earth and revealing the ultimate truth of the mysterious Dorin.
With Baranoia's destruction and the capture of their teammates wearing them down, the Ohranger try to figure how to deal with the invasion as their battle to save their world becomes burdened by another sacrifice.
The city was in peril and the UAOH base was destroyed. Mikio, the boy with Chief Miura during the Baranoia raid, was spotted by Goro, Juri, and Momo. The child took Goro to UAOH where Miura had been pinned down by debris. However, the chief was gone. Suddenly, Kaiser Buldont and Multiwa arrived to find the Pangaean Super Power. Prior to the headquarter’s destruction, Miura hid Ohranger Robo and Tackle Boy underground. Shouhei and Yuji were being held captive by the Barlo. Juri and Momo went to help them, but Kaiser Buldont and Multiwa intervened. Goro joined his teammates in the fight against the enemy. Suddenly, KingRanger and Dorin arrived inside of King Pyramider. As KingRanger distracted the Barlo, Dorin teleported the other Ohranger inside of Pyramider. Bara Micron depowered KingRanger, removing his transformation ability. Dorin hurried to Riki’s side, and she unlocked the Super Power that Kaiser Buldont and Multiwa wanted. She activated Pyramider, and the barge flew off with the five Ohranger in tow. Using the mystical energy of the ancient Super Power, Dorin destroyed Bara Micron. Multiwa retaliated by killing Dorin with an arrow. Riki held Dorin before the young girl faded away. King Pyramider traveled to another dimension with the Ohranger aboard.
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- Chouriki Sentai Ohranger Volume 4 features episodes 37-48. 
- Disc 8 of the Shout! Factory Region 1 DVD set features episodes 43-48