2x1 - A Strong Cup of Poison

January 5, 1960

2x2 - The Shivering Sailor

January 12, 1960

2x3 - The Vanishing Trick

January 19, 1960

2x4 - A Tormented Mind

January 26, 1960

2x5 - The Silent Heart

February 2, 1960

2x6 - Standing Room Only

February 9, 1960

2x7 - The Creditor

February 16, 1960

2x8 - The Amati Violin

February 23, 1960

2x9 - Little Italy

March 1, 1960

2x10 - The Last of the Saracens

March 8, 1960

2x11 - The Genius

March 15, 1960

2x12 - Room for Doubt

March 22, 1960

2x14 - Eve and the Serpent

April 5, 1960

A young French student tells Adam that she suspects someone is trying to steal top secret plans. Peter and Toby follow different clues, which end in near-disaster for both.

2x15 - Man on the Pier

April 12, 1960

2x16 - Dead Letter Day

April 19, 1960

2x17 - The Wall of Death

April 26, 1960

2x18 - Beauty and the Feast

May 3, 1960

2x19 - Brother Cain

May 10, 1960

2x20 - The Star of Javaa

May 17, 1960

2x21 - The Double Deception

May 24, 1960

2x22 - Highland Fling

June 7, 1960

2x23 - Something in the City

June 14, 1960

2x24 - A Touch of the Orient

June 21, 1960

2x25 - The King of Kandoga

June 28, 1960