S1 • E1
To protect an important witness, Chase devises a plan to fool the mob's hit man into believing he has successfully offed the witness.
S1 • E2
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.
S1 • E3
Dennis and his team attempt to entrap a crooked boxing promoter who roughs up anyone who crosses him.
S1 • E4
When a reporter is murdered, Dennis and his team must access a syndicate payroll which incriminates certain mobsters and politicians.
S1 • E5
The team retaliates against a Lonely Hearts con artist by staging a horse-race con.
S1 • E6
The team tries to stop the execution of an innocent man. With two days remaining, options are limited.
S1 • E7
An exiled prince is plotting to assassinate his nephew. Dennis plans to replace the prince and call off the prince's hired guns.
S1 • E8
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.
S1 • E9
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.
S1 • E10
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.
S1 • E11
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.
S1 • E12
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.
S1 • E13
To catch a gang of murderous life insurance fraudsters, Dennis and Joanna pose as an unhappily married couple.
Dennis Chase
Lola
Brian
Jim
Killer
Mr. G
Steve Kimberly
Ralph Kirk
Heredia
Howard Schwartz