The Best Episodes Directed By Robert Douglas

David deceives the aliens that he is willing to work with them for a fee, all the while with a plan of attack in mind.

David exposes an alien disguised as a prophet who capitalizes on his ability to glow red as a tool to deceive people into thinking that his ""gift"" is from God.

Stone goes undercover as a bum to investigate the beating death of three homeless men.

Stone appears to be the only one willing to give the benefit of the doubt to a convict who is accused of a murder while out of prison on a 36-hour pass.

Keller goes undercover at a mental hospital to uncover the truth about a string of mysterious deaths.

In an elaborate con, Ralph Mason marries a rich woman named Nora Cory for her money. Unfortunately his schemes goes awry when he murders one of her sons from a former marriage. As he attempts to make the death look like a suicide, he is caught by Nora as he is writing a fake suicide note. Nora collapses and falls into a paralyzed, yet conscious, state. She is bedridden and worried that her husband will try to kill her. She is also unable to speak and cannot tell anyone about her dangerous husband. When her nurse Jean Dekker allows her husband to adminster her medicine, she grows fearful that he will try to poison her. Fortunately, the nurse figures out a way to communicate with Nora. Nora squeezes her hand in response to yes or no questions. Jean discovers the truth about Ralph, but when Ralph finds out he tries to kill both Nora and Jean . Fortunately, Nora comes out of her paralysis in time to scream. She alerts her second son who manages to subdue Ralph before he can kill again.

Newlyweds Dave and Bonnie Snowden visit the abandoned home of Bonnie's late father. In the home, Dave finds a locked door and comes to believe that there is something valuable inside. Later, Dave and Bonnie tell Bonnie's elderly mother Mrs. Daniels that they are married. Bonnie's mother is convinced that Dave is after her daughter inheritance. She tries to bribe Dave to annull the marriage. Dave refuses, but he is desperate for money. In an effort to convince Bonnie's mother of his good intentions. He convinces Bonnie to fake a suicide attempt by overdosing on sleeping pills. Dave hopes that Mrs. Daniels will see him caring for her and change her mind about him. Unfortunately, Bonnie is allergic to sleeping pills and accidently dies. After the funeral, Mrs. Daniels tells Dave that she has had a change of heart. She gives him the abandoned house. Dave heads to the home and again wonders what is behind the locked door. As he talks to himself,

The female head of a museum hires one of the guards to rob the museum to collect the insurance money. But during the robbery she kills him and her own brother, and makes it look like they killed each other. The guard/robber's brother reports a strange message on his answering machine, that makes it seem that he has been killed. And Columbo gets the case. When Columbo first comes to the crime scene, he notices that the lights are off, a gold medallion in the robber's pants, and signs that pointed to the fact that he was going abroad after the heist. And he concluded that these clues mean that someone else was involved.

When a corner newspaper vendor goes after the muggers who stole his life savings, Stone and Keller discover that the crime is linked to the murder of a housing commissioner.

During a lovers' quarrel Dandy Arthur kills his ex-girlfriend. Unfortunately, a button torn from her coats lands in his pocket during the struggle. His wife finds the button and Dandy sets out to kill her as well. Eventually, however, Dandy gives himself away by talking too much and is arrested by the police.

Karl Jorla is a European horror movie star that is contracted by a Hollywood studio to appear in his first American film. The producers of the film watch a demo film of Jorla as the leader of a satanic cult and feel that he will be perfect for their new film. After he comes to America, Jorla becomes worried that real satanists are after him. He thinks they may want to kill him for allowing his demo film to be shown. Jorla is given around the clock protection by the studio, but he is almost killed anyway. Jorla manages to convince the studio to allow him to stay at a secret location unknown to anyone but him. The studio agrees, but later become worried when he doesn't show up for the first day of filming. The director begins to film scenes around him, until Jorla suddenly appears on the set. He moans an address in Topanga Canyon and disappears. The police are called and everyone goes to the address where the find Jorla beaten to death.

Henrik Durvard has taken over the country of Lombounda by military coup, and holds the natives in terror. He has obtained a diamond from the native miners, and the IMF are assigned to take it away from him. In London to auction the diamond, Durvard is approached by the team who offer to top all bids if they get exclusive rights to diamond production in Lombounda. Since Lombounda is not known for its diamond production, Durvard is suspicious. Eventually the team lets him figure out that they have a plan to use his country as a blind to distribute artificial diamonds that they claim they can manufacture. Durvard insists on being part of the scam, and forces the team to ""make"" a diamond from him using a piece off of the original stone. They do so, but when it comes time to fake the real diamond, the machine apparently overloads from the strain. The team slips the diamond out of the machine and leaves, as Durvard and the machine blow up.

Dr Smith discovers another Android Machine, in the middle of a dangerous fisher. When he tries to order something, he is trapped inside the machine. Later when Will tries to get him out, he too is sucked in. Zumdish arrives on the planet in order to destroy the faulty, forgotten machine. Meanwhile Will and Dr Smith discover the magical Toymaker's world, as they are mistekn for toys. They later discover they are close to earth. Will they return to Earth, be blown up, or Will Professor Robinson and the Robot be able to save them.

Boone and Mingo agree to transport an unwilling Creek princess to an arranged wedding with a Shawnee.