Air date: 1991-05-03

Runtime: 25 min

A book 'The Coldest of Wars' is due to be published about 'Cold War' espionage. When Piglet reveals that his wife Sarah, who works for a publisher, has just been reading a manuscript by the same name, he and Dexter are ordered to intercept before it hits the shops.

Air date: 1991-05-10

Runtime: 25 min

Questions of loyalty are asked when a former agent returns and points the finger of suspicion at Maxwell.

Air date: 1991-05-17

Runtime: 25 min

All of a sudden, Piglet has a drinking problem...and a gambling problem...and financial difficulties...and marital strain. What's going on? Well, Drummond has ordered him to put on the show as a ploy to see if Maxwell is a KGB mole.

Air date: 1991-05-24

Runtime: 25 min

Which is better, MI5 or MI6? After a disastrous training exercise, Drummond is challenged by his MI6 counterpart to answer that very question.

Air date: 1991-05-31

Runtime: 25 min

MI5 has acquired a Russian decoding device, but it won't work. Piglet uses his electronics skills to try to understand why.

Air date: 1991-06-07

Runtime: 25 min

Piglet has been encouraged to get very close to a female KGB operative. What steps must he take to make sure his wife doesn't find out?

Air date: 1991-06-14

Runtime: 25 min

Piglet and his colleagues are attending a foreign Embassy reception. As they attempt to plant some bugs, terrorists storm the party and take guests hostage. Can Piglet and Dexter save the day?