The Avengers Season 1 Episode 16 The Yellow Needle

In The Avengers season 1 episode 16, titled The Yellow Needle, Steed and Keel investigate a group of criminals who are counterfeiting money. However, their investigation takes a turn when they discover that the counterfeiters are also involved in drug trafficking, using a lethal poison disguised in yellow needles. The duo team up with an American agent named Palmer to take down the criminal organization and uncover its mysterious leader, known only as "Number One."

As they delve deeper into the case, Steed and Keel find themselves in increasing danger. They narrowly escape several assassination attempts and must rely on their wit and resourcefulness to outsmart the criminals. Meanwhile, Palmer becomes romantically involved with one of the counterfeiters, putting her loyalty to the test.

While the plot initially revolves around the counterfeit money and drugs, the story takes a darker turn as it becomes clear that the yellow needle poison is being used as a means of control and coercion. The episode features tense moments of suspense as Steed and Keel race against time to prevent more deaths and stop the criminal organization from gaining more power.

Overall, The Yellow Needle is a thrilling episode of The Avengers that showcases the intelligence and bravery of the show's main characters. It also highlights the dangers of organized crime and the importance of working together to combat it.