S1.E1 ∙ The Secret Adversary: Part 1 Sat, Jul 25, 2015 Tommy and Tuppence have a chance encounter on a train with an agitated young woman who suddenly disappears and never returns to her seat. 6.7 /10
S1.E2 ∙ The Secret Adversary: Part 2 Sat, Aug 01, 2015 Tommy and Tuppence go undercover; he as a member of Brown's gang and she as a maid to a potential suspect. 6.7 /10
S1.E3 ∙ The Secret Adversary: Part 3 Sat, Aug 08, 2015 The Beresfords' search for Jane Finn comes to a close as they finally uncover the identity of Mr. Brown. 6.6 /10
S1.E4 ∙ N or M?: Part 1 Sat, Aug 15, 2015 Tommy is sent on a secret mission to discover the identity of Soviet spy staying at a seaside guest-house; Tuppence refuses to be left behind. 6.8 /10
S1.E5 ∙ N or M?: Part 2 Sat, Aug 22, 2015 There is a murder at the local Veterans Ball, as Tommy and Tuppence continue their search for the Soviet spy. 6.6 /10
S1.E6 ∙ N or M?: Part 3 Sat, Aug 29, 2015 Tommy and Tuppence have to come up with their most ambitious and risky plan yet in order to protect the lives of British citizens. 6.5 /10
