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Doki Doki Precure Ep 01 The Earth Is In Big Trouble
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- This is the second time a Pretty Cure series has premiered on February 3rd, behind Yes! Pretty Cure 5 GoGo!.
- Cure Heart becomes the 7th pink Cure, behind Cure Happy, Cure Melody, Cure Blossom, Cure Peach, Cure Dream, and Cure Bloom.
- Cure Heart becomes the 7th Cure to not have Curtains Match the Window in Cure form (she has blonde hair and pink eyes), behind Cure Heart, the four Suite Cures, Cure Peach, and Milky Rose.
- By technicality, Alice Yotsuba is the second Pretty Cure topic to bear the name "Yotsuba", behind Yotsuba, the town Love, Miki, and Inori live in.