The Doctor's struggle to protect the TARDIS and its crew from temporal anomalies and hidden threats

The Doctor attempts to reassure Tegan about her lingering trauma from the Mara but is abruptly distracted when the TARDIS shakes violently. A malfunction in the warp ellipse suggests a …

Nyssa notices an active transmat terminal on the bridge monitor, its transmit mode engaging after six dormant years. The Doctor deciphers coordinates pointing to Earth, confirming a crew escaped nearly …