Three months after the accident
When most people thought of Danny, Tucker, and Sam, it was either all three of them as a unit, or Danny and Tucker, or Danny and Sam. Most people didn't realize that Tucker and Sam had their own bond. Even Danny sometimes missed it.
After the whole thing with the ghost bugs and the creepy hospital, Danny asked Sam, "How did you know Tucker didn't like hospitals? I've known him since kindergarten, and I didn't know that."
Sam shrugged. "You weren't the one who sat with him in the ER waiting room the day you had the accident, were you?"