Overview: Faith arrives with news of an invasion, forcing Lloyd to consider making Lord Garmadon an ally.
Overview: Despite their grave doubts, the ninjas free Lord Garmadon from Kryptarium Prison so that he and Lloyd can enter the cloud of darkness.
Overview: The team pays a terrible price when they attempt to rescue Lloyd and Lord Garmadon, who discover the Oni's weakness while battling the Omega.
Overview: The ninjas race back to the Monastery of Spinjitzu, where they must combine their powers and make their last stand against the Oni.