Sezon 1
Bölümler
1 Hitler's Spies 1 Oca 1999 
2 Berlin Spy Secrets 8 Oca 1999 
3 Bletchley Park 15 Oca 1999 
4 The CIA 22 Oca 1999 
5 The Code Breakers 29 Oca 1999 
6 The FBI Spy Files 5 Şub 1999 
7 The Mossad 12 Şub 1999 
8 MI5 19 Şub 1999 
9 MI6 26 Şub 1999 
10 The KGB 5 Mar 1999 
11 The Cambridge Spies 12 Mar 1999 
12 The SOE 19 Mar 1999 
13 The OSS 26 Mar 1999 
14 Spying and Espionage in Vietnam 2 Nis 1999 
15 Great Spies of the 20th Century 9 Nis 1999 
16 Spying from the Skies 7 Ara 1999 
17 Atom Spies 12 Tem 2000 
18 Early Russian Intelligence 21 Haz 2000 
19 Secret Air Operations 31 Ara 2000 
20 US Army Intelligence 21 May 2000 
21 US Air Force Intelligence 2 Ağu 2000 
22 The GRU 30 Ağu 2000 23 Spy Ships and Submarines 14 Haz 2000 
24 Japanese Intelligence 20 Eyl 2000 
25 French Intelligence 20 Eki 2000 
26 US Naval Intelligence 13 Eki 2000