Sun is lunar's granddad cuz eclipse is lunar's dad and sun's son technically. The dad the song is talking about is the granddad's dad so the creator and earth gives sun and lunar therapy. In one of the episodes lunar got blown up by eclipse.
Thanks to Rue_Regrets_is_BACK for the song pls go here https://scratch.mit.edu/projects/1203066753/ and here https://scratch.mit.edu/projects/1203052964/
