The Axons reveal their true nature and attempt to obtain the secret of time travel. Meanwhile, the Master, forced to work for UNIT, concocts a plan to strike back at Axos.
| Name | Type | Role | |
|---|---|---|---|
| Dave Martin, Bob Baker | Writer | ||
| Paul Grist | Guest Star | ||
| Donald Hewlett | Guest Star | ||
| Kenneth Benda | Guest Star | ||
| Michael Ferguson | Director |