Watson and the team are faced with an impossible choice when two lives hang in the balance, but they only have one vial of antidote available. Meanwhile, Shinwell races to help the team, and Watson goes head to head with Moriarty.
| Name | Type | Role | |
|---|---|---|---|
| Sharon Moalem | Writer | ||
| Sallie Patrick | Writer | ||
| Craig Sweeny | Writer | ||
| Teresa Tuan | Writer | ||
| Kristin Lehman | Director |