When did Sailor Moon air in the US?
Sailor Moon (TV series)
The Sailor Soldiers eventually pinpoint the location of the Dark Kingdom at the North Pole and travel there. However, Usagi's friends are killed trying to protect her from Queen Beryl's monsters, the DD Girls. Usagi faces Mamoru alone and is forced to strike him down. Using the Silver Crystal, she then faces Queen Beryl (who has fused with Queen Metaria). Defeating her with the help of the fallen Sailor Soldiers spirits and the Silver Crystal's power. She then uses the last of the Silver Crystal's power  to resurrect the Sailor Soldiers and Mamoru with one wish that they all get to live normal lives again. Everything on Earth is returned to normal, and no one (but Luna and Artemis) retain any memories of these events.