3) Emma later feels bad about this, and bails him out
4) Hook gives Emma the potion but it doesn’t restore her memories fully. It’s only the beginning. She needs a combo of things
5) Without her memories restored, Emma goes to dinner with Walsh.
Dunno. The spoiler said that the note passing and two offers that Emma can’t refuse happens within the first 15mins of the show. I’m inclined to think that Emma doesn’t see Hook again until he interrupts her date with Walsh, and the arresting stuff comes after.