"Gekko and the Mighty Moon Problem" is the first half of the 13th episode in Season 1 of PJ Masks.
Greg is struggling with his solar system model, trying to figure out how he's going to get it done in a single day. His friends believe he should only concentrate on one thing at a time. But the field trip to the observatory has been cancelled, because Romeo has made off with the telescope! And when Luna Girl shows up to further complicate things, how will the PJ Masks stop Romeo from carving his face onto the moon?
The following characters appeared in the episode "Gekko and the Mighty Moon Problem":
Because Luna Girl stopped Romeo's plans by discarding his Space Laser, it is somewhat unlikely the two will be working together in the future, as it most likely destroyed any chance of the two getting along.