The Green Hornet using his tracking signal to close in on the visitors from outer space and their mystery.
The arrival of visitors from outer space seemingly coincides with an Air Force convoy transporting top secret electronic equipment and a missile warhead. Having Britt's secretary taken hostage makes the situation very touchy.
As a surprise birthday party begins for Britt, a gun given as a present seemingly goes off by itself, killing former newspaper employee Eddie Rech.
A series of strangulations appears to be the work of a legendary figure who is immortalized in wax.
After the Green Hornet prevents the assassination of Prince Rafil, his blonde American fiancée (Susan Flannery) is kidnapped and the prince is ordered to abdicate in order to save her.
Britt Reid must figure out how to get medical attention for a wound he received as the Green Hornet and stop two cops who are using silent alarm calls for their own profit.
The Green Hornet uses Mike Axford in a plan to get mobsters Phil Trager and Steve Gant to take each other out. But when Mike shows up when he isn't expected, the plan is jeopardized and may cost him, the Green Hornet, and Kato, their lives.
After another death by the phony Green Hornet, Britt hires a previous employee to help investigate the murder. When the real Green Hornet finds out that a copy Black Beauty was produced for a masquerade ball, he sets a trap to catch the imposter.
A carbon copy of the Green Hornet's Black Beauty attacks a Daily Sentinel delivery truck and terminates its driver right in front of Britt Reid, while Mike has an explosive visit from a Green Hornet impostor.
A group of men who served together in Korea in a tank crew steal a tank in order to free their former captain from prison before he is executed for murder. It's up to the Green Hornet and Kato to stop them before they can accomplish their goal.
Mike is kidnapped by an arsonist who wreaks havoc setting fire to buildings at the stroke of midnight. The Green Hornet and the D.A. work behind the scenes to aid the commissioner to put a stop to the crime spree and rescue the reporter.
It's election time again and District Attorney Scanlon is running for re-election, although someone wants to permanently remove him from the ballot.
Britt Reid orders Mike Axford to team up with the Green Hornet to uncover the ringleader in an insurance scam. Mike reluctantly agrees, but later tries to expose the ringleader alone, leaving it up to the Green Hornet & Kato to save him.
A cargo ship with $2 million in narcotics en route to the U.S. from Hong Kong mysteriously shows up at a salvage yard. The only survivor, Gus Wander, knows the secret of her special cargo but he has yet to regain consciousness.
After a rash of wealthy homes are burglarized, Mike becomes so suspicious that he places himself at the next possible home to be targeted, only to find himself being arrested for suspicion of murder.
Big game hunters are using mobsters as quarry but their next target may be their most dangerous game yet, the Green Hornet.
A racketeer decides it's time to acquire the oriental businesses in town and uses Low Sing's gang to handle his influence.
A charity art auction of fine paintings at Britt Reid's home is interrupted on live TV by three masked, gun-toting criminals. The police wound one of the thieves, but before they can arrest the others, a laser ray is unleashed on their squad car.
The Green Hornet pays a visit to spa owner Peter Eden and offers a proposition for Peter Eden. After Eden uses Vanessa Vane to double-cross the Hornet, the Hornet returns and uses Eden's dream machine on Peter to foil the last crime of the evening.
It appears that wealthy and prominent members of the community have been executing crimes and then forgetting that they ever happened. Eventually the Green Hornet finds that a spa owner has been leaving "suggestions" in these people's subconscious.
An illegal bootleg liquor ring devised by Dirk forces a stronghold on bars in the town to buy from them. Reporter Mike Axford is kidnapped as he tries to follow a lead to the racketeers.
A private investigator informs Britt that he has proof that presumed-dead racketeer Glen Connors is still alive. Soon after, Nat is found floating dead in the harbor from a possible boating accident. The Green Hornet sets out to prove otherwise.
A scientist predicts crimes with a computer that implicates the Green Hornet.
After a reporter is killed at the Daily Sentinel by a leopard, Britt Reid is informed by the D.A. that a perfect diamond was discovered on the reporter's desk. Reid discovers that the gemologist had been working on producing synthetic diamonds.
After Joe Sweek is murdered by a hood swinging from a rope in a nearby warehouse, the Green Hornet plans an unscheduled visit to racketeer boss Alex Colony to propose a partnership with him in his "accident" racket.
Dave Bannister is shot at a funeral with 20 witnesses and not a shot was heard. A messenger from a brokerage house, carrying $5,000 in negotiable bonds, is the silent gun's second victim. The Green Hornet and Kato track down the person responsible.