Mr. Terrific must locate the inventor of a hotly-pursued Power Paralysis device, unaware that the device is concealed in a book of matches in his coat pocket.
Stanley is assigned to locate and identify an elusive and mysterious crime boss known only as "Mr. Big".
When a distress call arrives about a malfunctioning Air Force One that Mr. Terrific could repair easily, Stanley discovers that his power pills inexplicably have stopped working.
Concerned that Stanley's behavior suggests that Stanley may be turning into a criminal, Hal decides to block Stanley from any wrongdoing — and keeps getting in the way of Stanley stopping a major jewel heist.
Spies steal Mr. Terrific′s power-pill formula, and because the pills only work on Stanley, the thieves also need to kidnap Stanley, brainwash him, and sell him to the highest bidder.
The government sends Stanley on a mission to catch a crime gang that requires him to impersonate a safecracker who looks exactly like him, fool the man's girlfriend, and somehow convince the gang that he knows how to break into bank vaults.
Stanley goes undercover as a boxer to obtain evidence that a gymnasium is actually a front for a counterfeiting ring.
To find out where $2 million in stolen money is hidden, Stanley goes undercover as "Slippery Sloan" to help bank robber "Blackjack" Clayton escape from prison so that Clayton will trust Stanley enough to tell him where the money is.
Stanley poses as a ballet dancer to help a Soviet prima ballerina defect to the United States, but he grabs the wrong woman.
Stanley tries to protect Harley Trent after an escaped murderer vows to kill Trent for prosecuting him.
Stanley is assigned to infiltrate a family of mountain moonshiners, and Hal ends up headed for a shotgun wedding.
When a dignitary visits, enemy agents abduct Stanley, and Reed and Trent are concerned that he might betray the United States and its allies for his own financial gain.
Stanley goes undercover to investigate a dentist who seems to be successfully prying U. S. Government secrets from normally reliable agents.
Stanley is assigned to learn the location of a U. S. track and field champion enemy agents have kidnapped.
Stanley is assigned to let the enemy get their hands on fake plans for a missile system, but a mix-up causes him to give them the actual plans, and he must figure out a way to get them back.
Stanley goes undercover as a circus strongman to discover which of the show's performers stole a government code book and to get the book back.
Stanley is assigned to discreetly protect the polygamous sultan of an oil-rich Middle Eastern nation.
