The Doctor and companions’ emergency evacuation through hostile terrain to escape the cavern after bomb activation

Adric and the Doctor descend into the cavern to disable a bomb meant to irreversibly poison Earth’s atmosphere. The Doctor identifies the release mechanism and urges Adric to withdraw, but …

The Doctor’s impulsive hatch opening triggers the bomb’s arming sequence, flipping the mission from stealth to desperation. With seconds evaporating and Tegan shepherding remaining survivors toward the TARDIS, Scott’s frantic …

As the cavern’s flickering lights betray erratic power flow, the Doctor works with desperate precision to neutralise the bomb threatening the survivors. His magnetic drone clings to the device’s housing …