Last time, we learned that Kent exposed the secret of the missing freight trains while Jimmy discovers that Kent never boarded the train and is not there to meet him. Commentary on how those who cannot dispose of Superman by regular means still are not marveled by him yet.

Friday and Romero tackle forgery as someone has been successfully stealing mail and cashing other people’s checks. Commentary on the first use of a comedy routine with Friday and Romero that would be a staple in Dragnet from this point forward.  Plus Harry Morgan talks about the humor in Dragnet as well as his relationship with Jack Webb.

Last time, Mr. Fortune’s murder has still not been solved although Miss Bailey’s true allegiance to the mysterious crime boss is forcibly thrust upon us as she attempts to kill Superman. But Superman has a new plan to expose the scheme behind the vanishing freight car. Commentary on whether Lois Lane is starting to believe in Superman.

Kent has discovered that a bank employee is involved in the missing $5 million with another character known only as the boss.  What Kent doesn’t know is that they want to get rid of Lois and him. Commentary is on how Superman manages to intervene in the fate of Lois Lane as a common theme as well as further cementing their bond.

While investigating the missing freight train, Superman discovers an emerald that had fallen out of someone’s ring.  Meanwhile Lois is at the train station with danger lurking close by. Commentary on Superman needing to changing from Clark to Superman rather quickly in a life or death situation while still staying out of sight. Plus we speak of the tremendous writing in the chess game between Kent and Fortune.

A young mother is shot dead in her bed while her seven-year-old son sleeps by her side. Friday and Romero received honorary Deputy Sheriff commendations in Baton Rouge which leads to a personal story from Jim about his same experience with actor Erik Estrada while working with the Bedford County Sheriff's Department.

The Daily Planet gang investigates how a freight car transporting $5 million, sandwiched in between others, goes missing en route from one station to another.

Friday and Romero are stumped in a safe-cracking caper when after several months of stake-outs they have not been able to generate a single lead.  Commentary on the change of tone in this episode that is different than other episodes.  Plus the rise and fall of the phone booth. Finally, Dragnet writer James Moser wins the Edgar Award.

In our last episode, Clark Kent exclaims to Perry, Lois, Jimmy and Rumsen that he has the mystery solved and proves it by making himself invisible. Commentary on limitations of actually throwing your voice as with ventriloquists and how difficult it would have been for this story line to work in real life.  This serial did, however, set Clark and Lois on a new path as she warms up to him.

After the mayor and now Clark unexpectedly back away from pursuing the case of the invisible man, Lois and Perry are driving to see the governor to get his support to put away the DA for good. Little do they know the invisible man tampered with their car which will send it spiraling out of control at the 100 mile mark. Commentary on the non-stop wackiness of the episode in which everything seems to happen that could happen including some uncharacteristic moments.