请调整浏览器窗口大小或者请使用手机查看!
While the Silurians and Sea Devils attack the bases air locks, the saboteurs take advantage of the distraction to go ahead with their own plans.
Just as the doctor is starting to gain a tentative trust from the humans of the underwater military base, an unknown cruiser appears and the Doctor seems to recognize it and warns the humans not to fire upon it.
The Doctor is presented with a moral dilemma when Icthar reveals his plans to get rid of the human race so the Silurians can take back what was once theirs.