Secret Seven Win Through
The Secret Seven have a brand new meeting place but somebody else has been using it too. How dare they? Whoever it is is going there at night, and the gang are going to put a stop to it! They are determined to catch the cheeky intruder, whatever it takes.

Three Cheers Secret Seven
When Peter and Jack go looking for their lost model aeroplane in an old abandoned house, they find a lit fire in one of the rooms. So who is living there, and why? Looks like the Secret Seven have another interesting case to solve.