The police launch an investigation to find the bombers, whose skill and sophistication keeps them one step ahead. Under pressure to get results, Helen makes a breakthrough.
For London's bomb disposal experts, no day is ever the same as they risk their lives protecting the city from harm.
The peaks and the valleys. Find the essential episodes — and the ones to skip.
The police launch an investigation to find the bombers, whose skill and sophistication keeps them one step ahead. Under pressure to get results, Helen makes a breakthrough.
Expo Lana Washington is giving a routine talk, having just returned from secondment, when an explosion rocks the heart of the city. But is she ready to return to active duty?
As the team mourns Thom's death, a new lead emerges - an informant, promising intelligence on the terror cell. Meanwhile a journalist is sent a suspicious package.
The bomber's next target is symbolic of their whole campaign as Lana, who is rushing against the clock, must find the bomb in a search held amidst pandemonium.
Each point is an episode, plotted in order. Colored bands mark season boundaries. Look for the rise, the plateau, or the decline.
High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.
One point per season. Smooths out the episode-to-episode noise to reveal the bigger arc.
Did each season build or fizzle? Green means the finale outscored the premiere. Red means the opposite. Longer arrows, bigger swings.
How steady is each season? Tightly clustered dots mean reliable quality. Scattered dots mean a wild ride.
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