As the Pathfinder crews train, they are called upon to attack vital U-Boat pens.
A joint operation with British commandos brings unforeseen complications.
A hazardous, low level mission against a Navy base brings the threat of heavy casualties.
After being shot down, a bomber crew desperately tries to evade capture.
A Lancaster is shot down in the North Sea and a grim battle for survival begins.
A pilot struggles to bring his heavily damaged bomber to base against all odds.
German night fighters have suddenly become lethally effective. What is their secret?
The squadron is equipped with a new, top secret bomb aiming aid.
A German jet fighter installation must be destroyed before the fighters can devastate Allied bomber formations.
A Lancaster crashes in the heart of Nazi Germany - with top secret technology on board.
A badly damaged Lancaster limps back to base - with a live bomb jammed in its bomb bay.
The son of a famous RAF Air Marshall refuse to fly Pathfinder missions, prompting accusations of cowardice.