
Continuity mistake: When Alan tells Teri he will stay with her until they find Kim, Teri's bag strap falls off her shoulder. Camera changes and the strap is back up on her shoulder. (00:32:30)

Continuity mistake: When Teri is talking to Alan about Kim failing Algebra, she has her hand on her bag in one shot and on her coffee in the next. (00:31:40)
Chosen answer: Nobody knew, not even the writers, until at least halfway through the season when they were writing the end. They wanted to keep all options open.
Nick N.