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13 Episodes 1959 - 1959
Episode 1
Thu, Jul 2, 195930 mins
To protect an important witness, Chase devises a plan to fool the mob's hit man into believing he has successfully offed the witness.
Episode 2
Thu, Jul 9, 195930 mins
To avoid being blackmailed for $100,000, an engineer with friends in high places asks Dennis and his team to recover some indiscreet letters from his youth which he wrote to a former lover.
Episode 3
Thu, Jul 16, 195930 mins
Dennis and his team attempt to entrap a crooked boxing promoter who roughs up anyone who crosses him.
Episode 4
Thu, Jul 23, 195926 mins
When a reporter is murdered, Dennis and his team must access a syndicate payroll which incriminates certain mobsters and politicians.
Episode 5
Thu, Jul 30, 195926 mins
The team retaliates against a Lonely Hearts con artist by staging a horse-race con.
Episode 6
Thu, Aug 6, 195926 mins
The team tries to stop the execution of an innocent man. With two days remaining, options are limited.
Episode 7
Thu, Aug 13, 195926 mins
An exiled prince is plotting to assassinate his nephew. Dennis plans to replace the prince and call off the prince's hired guns.
Episode 8
Thu, Aug 20, 195926 mins
Chinese communists kidnap a nuclear scientist. To rescue him, Dennis hides in a shipping container bound for the import facility where the scientist is being held.
Episode 9
Thu, Aug 27, 195930 mins
A gang after the receipts of a mail order targets its head cashier George Manning. These robbers kidnap his wife Lois and promise to release her when George delivers the cash.
Episode 10
Thu, Sep 3, 195930 mins
In an attempt to nab a drug kingpin, Dennis impersonates a British dealer. The plan goes quickly awry when Brian and Joanna lose track of Dennis.
Episode 11
Thu, Sep 10, 195930 mins
A killer is found not guilty. He confesses to his new fiancee, who then fears for her life. Since he cannot be arrested by the police due to double jeopardy, she calls on the folks at 21 Beacon Street for help.
Episode 12
Thu, Sep 17, 195925 mins
When both owners of a jet engine company are mysteriously murdered, the chief suspect is a notorious con artist. However, Dennis thinks it looks too obvious.
Episode 13
Thu, Sep 24, 195926 mins
To catch a gang of murderous life insurance fraudsters, Dennis and Joanna pose as an unhappily married couple.