Ninjago: Where Did You Go. Come Back Home, Greenie

While on a mission, Lloyd disappears, to where, no one knows.

It's rumored he died
It's rumored he's in cognito.
Many rumors are floating around but the one that's most likely thought of,

Lloyd Montgomery Garmadon, the green ninja, is dead.

Well, one day, in the city. Kai, pushing seventy, gets the surprise of a life time