The Myth Makers: Doctor Who: Season 3

Vicki remains in the ship while Steven heads to the Trojan camp only to be captured by the Greeks. The Doctor persuades the Greeks to spare Steven and the TARDIS is taken inside Troy where Vicki emerges and is christened as the prophet Cressida from the Gods by King Priam, enraging his current prophet Cassandra. Meeting Paris for battle outside the city disguised as Diomede, Steven is taken prisoner inside Troy intending to rescue Vicki.

Cassandra exposes them as spies when Vicki greets Steven by name and the King demands Vicki to prophesize the wars end or die. Her romantic interest Trolius has her released while Steven remains imprisoned. Under pressure to help the Greeks the Doctor proposes the use of a giant wooden horse filled with Greek Warriors to delivered as a gift to Troy to Odysseus.