Mamoru, along with everyone else, is revived in episode 200 and is reunited with Usagi.

What episode does Mamoru get jealous?

In the CWi English dub at the beginning of the episode, Mamoru explains to Ami that she must keep in mind the quadratic equation to solve a math problem and Ami says that she was trying to apply the Pythagorean theorem and thanks him for his help. In the anime, she makes a joke about the relativity in space.

What episode does Mamoru like Usagi?

"The Perfect Couple: Usagi and Mamoru's Love" is the 5th episode of the 4th season of Sailor Moon anime, and the 132nd overall. It aired in Japan on April 15, 1995. The CWi English dub title for this episode was "The Perfect Couple" and it aired in North America on October 2, 2000.