Tom Grattan is sent to his relative's farm in the Yorkshire countryside.
Tom is convinced that the mysterious intruder at the Kirkby farm is Julie's father.
Tom and Julie explore a deserted mine from which they hear mysterious deafening noises.
Soldiers arrive at the Kirkby's farm looking for two escaped German prisoners.
Julie tries to help the escaped Germans, and finds herself in danger of her life.
Tom is branded a 'German-lover' when he helps a local farmer with a German name.
Tom is overjoyed when Stan's son Frank, comes home on leave.
Tom sees a robbery by the Townsend Gang but, with Stan their captive, must remain silent.
With Julie's help, Tom rescues Stan from the clutches of the Townsend Gang.
Tom finds his place as 'man about the farm' usurped by a wounded soldier. Guest Windsor Davies
Tom and Julie enjoy a walk to the lighthouse - and unknowingly walk into adventure.
Can Tom find a way to prevent a number of English warships running aground? Guest Roy Barraclough
A birthday letter from Tom's father is stolen, and a dangerous paper chase ensures.
Tom and Julie are captured by sinister saboteurs with a plan to blow up a troop train.
Tom is caught up in a gun battle between soldiers and saboteurs.
Tom suspects that a Regimental Sergeant Major's grandson fears becoming a soldier.
Tom finally learns the truth about Christopher's 'cowardice'.
A German POW is shot. Should Tom reveal what he knows to the authorities?
A man who has lost his only son in France plans a terrible fate for Germans working at the quarry.
Tom wants to help a shell-shocked soldier recover his memory - but how?
Tom's new friend turns out to be a rich lord - as two tinkers are pleased to learn...
Tom has a spookily original plan to rescue Lord Beck from his kidnappers.
In the dark cellars of a nearby castle, an inventor is working on a new weapon...
Tom and Julie are trapped in the castle dungeons, and stan has a hair-raising trip!
Tom embarks on a dramatic airbourne chase when Julie is captured by German agents.