Jimmy and Carl Edwards escaped but Boris turned the dynamo back on which will cause the motor boat used by Jimmy and Carl to crash on the rocks in which they would certainly perish.

Jimmy and Carl Edwards are alone, while Clark goes to stop the dynamo, and they hear footsteps coming toward them.  But it’s not Alana.

In a very special episode, Detective Sergeant Joe Friday investigates a case of a man who accuses a rookie cop of beating him up, robbing him, and breaking his arm. Commentary tonight relates this episode  from 60 years ago and what was known as Bloody Christmas to the recent tensions with police in the news.

A mysterious woman on the island, Alana, tries to persuade Clark and Jimmy to leave the island as they are in grave danger.  This just makes them all the more curious about the secret she was keeping.

A woman has been murdered and her identity unknown. The body shows the marks of a savage attack and Friday, who is assigned to homicide detail, must find the murderer. Commentary tonight on how Dragnet avoids the usual procedural in this episode and provides a bit of a mystery.

Clark and Jimmy arrive on the island and are determined to uncover the strange mystery before them.

Having wrapped up the bathysphere adventure, Clark and Jimmy find a turtle with a cryptic message that says HELP scratched on its shell that leads them to a huge castle built on the deserted island.

Tonight is the conclusion of this exciting serial which may resolve some issues and present new ones.  Escobar still has the gold and he is determined to get rid of Thorpe and Kent.  Jimmy intercepts a letter from Escobar meant for them and takes it upon himself to investigate.  As we know, when Jimmy is around, the outcome is never good.  

Friday is assigned to robbery detail in which his assignment focuses on an elderly woman on her way to the bank has been robbed and beaten senseless by cruel and ruthless suspects. Commentary on NBC Red Network and NBC Blue Network and how it evolved into NBC and ABC.

Clark and Jimmy are awaiting the Juanita to enter the harbor while, unbeknownst to them, Escobar has planted mines set to explode once the Juanita arrives.  Will Clark figure it out before it’s too late? If so, will he be able to become Superman without Jimmy catching on?