Robin Stuart and Tegan Jovanka's grounded survival conflict against Omega's supernatural surveillance and confinement within the Citadel, navigating alien technology and political hostility

Tegan discovers a newly activated device with flashing lights that Colin had placed earlier in the Pump Room. Stuart urges her to hide quickly when a loud bang echoes through …

The Doctor’s desperate mission to halt Omega’s immortality scheme reaches a catastrophic juncture as the colossal skeletal bird materializes in the crypt. It strikes Tegan first, casting her body into …

Omega forces Tegan’s cooperation by exposing Colin’s service to him, then subjects her to an Ergon scan to detect her latent connection to the Doctor. When Tegan confirms her bond …