The term "Arcturus" is also prominent in the episode "Trinity" (Season 2, Episode 6). In that series:
If you'd like more details,I can also provide a list of like Apple TV where you can watch the episode. "Ninjago" Codename: Arcturus (TV Episode 2014) - IMDb [S3E6] Codename: Arcturus
: The team works to decipher the meaning of the project, eventually leading them to the ancient city of Ouroboros . The term "Arcturus" is also prominent in the