In the dramatic season finale, crisis is the watchword. Beth, Whittison, and the Andrews turn the tables on Ashmead. Timmy and Madeline find what everyone has been pursuing. And Professor Hargraves may not be what he seems.
| Name | Type | Role | |
|---|---|---|---|
| Jack Monaco | Writer | ||
| Cary Elwes | Guest Star | ||
| Christopher Lloyd | Guest Star | ||
| Brian McNamara | Director |