[s4e9] The Greatest Fear Of All Today

: Though small, he remains a pivotal player as the only source of the ingredient Chen needs to make his power permanent.

Watch a clip from this episode to see the Ninja and Elemental Masters prepare for Chen's invasion: [S4E9] The Greatest Fear of All

: Having fully sided with the Ninja, she struggles with her changing appearance as her father's spell begins to fade. : Though small, he remains a pivotal player

: As the Elemental Masters realize Ninjago City is under threat, their loss of focus causes them to lose control of their Elemental Dragons , leaving them stranded. : Though small

: Chen uses a fleet of trucks as a diversion to lure the Elemental Masters away from Ninjago City, leaving it defenseless.