“There are four more episodes — three of them are completely written, and the other one is along the way.
“They will be shot. Episode 22 was going to be our 400th episode.
“It’s going to be shot now as episode two [of season 18]. Episode 21 was a day away from starting production — the sets were built and the stages were locked.
“It’s like a time capsule up there. When we get back, that will logically be the one we shoot first.”
