"The Mask of Deception" is the season eight premiere of Ninjago: Masters of Spinjitzu , introducing the "Sons of Garmadon" story arc following a one-year time jump and major character redesigns. The episode follows Lloyd as he reunites the team to recover the stolen Oni Mask of Deception from a new threat, the Sons of Garmadon. Read the full episode details at Ninjago Wiki . The Mask of Deception | Ninjago Wiki | Fandom