Viewers find 'Vigil' gripping and intelligent, praising its blend of crime, drama, and geopolitical intrigue across its two seasons. The series is lauded for its strong performances, particularly by Suranne Jones and Rose Leslie, and its engaging, though sometimes complex, plotlines involving military and police conflicts. While the first season's submarine setting was particularly favored, the second season's focus on air force and drones also received positive remarks, despite some finding it harder to follow.

👍 Strong performances and intense plot

👎 Second season can be complex to follow