Several agents have been murdered by someone with incredible strength. The only clue is an empty banana peel. It is soon deduced that the killer is an ape. CONTROL agents are receiving bananas in the mail and then being murdered, completely puzzling CONTROL. What they don't know is KAOS is using Chucko, an ape made to look like a human being, as the assassin. The plot thickens when Max receives a banana in the mail and a new agent, Chuck Armstrong, is assigned as his protector. Unfortunately, Armstrong is actually Chucko the Ape. Before Max discovers Armstrong's real identity, Armstrong reverts back to Chucko and takes 99 to the roof of Max's building, just like in King Kong.

On a mission for CONTROL to rescue Professor Milo Pheasant, Smart and 99 learn that he is imprisoned within an impregnable glass dome. KAOS has kidnapped Professor Pheasant and imprisoned him in a nuclear-glass cube. Max and 99 break into KAOS HQ to break him out, but they're unable to break the glass and forced to flee. As they're escaping, 99 reveals that she's pregnant, causing Max to get so excited that he reveals his identity as a secret agent to a reporter. This renders Max useless as an agent and eliminates CONTROL's plan to free the professor by having The Singing Agent, Rosa LaCosta, sing a special note that can shatter glass and have Max go undercover as her accompanist. To save his job, Max visits Dr. Proctor, who has discovered a way to spray paint a new face on people, and Max tries out several faces before picking one to help him infiltrate KAOS headquarters and rescue the professor.

When IH Industries acquires KAOS, Max and 99 attempt Operation Baby Buggy Switch to stop the new head of KAOS, Ironhand, a man with an iron fist, from obtaining The Anti-Anti_Anti-Missle-Missle plans.

When KAOS plans to destroy California by smuggling into the country dolls secretly containing the ingredients for the most powerful explosive known to man, Max and The Chief enroll in Miss Valerie's School For Expectant Fathers, convinced that it is a KAOS front.

When The Chief orders Max to romance and betroth Ann Cameron, a beautiful widow suspected of murdering her 12 husbands for the insurance money, which she donates to KAOS, the wedding coincides with The Smarts' first wedding anniversary, much to 99's dismay.

When KAOS heists CONTROL's payrolls, putting it into severe financial straits, The Chief sends Max, disguised as prospector Frogsie Debbs, to Mira Lodo, Mexico, to find Debbs' old partner C. Errol Madre, who posesses the second half of a map that leads to a gold mind that could restore CONTROL's operations.

Because he failed to retrieve a little red book from a Kaos carrier,Max has to train,and recruit three convicts to break into a highly fortified Mansion where the Red Code Book is.

Max and 99 follow the wrong map and end up at KAOS's new HQ instead of the maternity ward. 99 is incredibly close to giving birth, which is making Max nervous and unable to pay attention to his job. He spends all of his time trying to find the shortest way to get 99 to the hospital. At the same time, CONTROL is desperately trying to find the new location of KAOS HQ. It's made more urgent because Simon the Likable is coming to town to steal the Huffiker Plans from the Pentagon. Simon is unstoppable because everyone that sees him instantly likes him and will do anything for him. Max and Simon get their directions mixed up and Simon goes to the maternity hospital while Max takes 99 to KAOS HQ, Sunny Slope Sanitarium.

CONTROL must defeat Simon the Likable while 99 delivers twins. Max and 99 escape and manage to get to the correct hospital in time for her to have twins, a boy and a girl. While everyone is congratulating Max, Simon tries to escape until he runs into the one person who doesn't like him, 99's mother.

Mistaken for a doctor and his nurse, Max and 99 are kidnapped and forced to operate on a wounded gangster. CONTROL is transporting vicious killer Big Eddie Little to jail by pretending to run in a marathon with him. Little breaks away from Max, but not before Max shoots him in the shoulder. Little gets away, vowing to kill Max. Max ignores his threats and goes to visit 99 and the twins in the hospital. Dressed in hospital scrubs, Max and 99 are taken for a doctor and nurse by KAOS and taken to a remote cabin to remove the bullet from Little's shoulder. Only by pretending to remove the bullet can Max escape from the cabin alive.

Max is bewildered when his young contact dies of old age. Max goes to meet CONTROL Agent Carruthers and finds Carruthers dying of old age. The problem is that Carruthers is only 28 years old. After that, more and more agents are rapidly aging and dying, thanks to a new invention by KAOS, Dorian Gray Paint. The paint ages the real person once it's put on a picture of that person. They turn Max, 99, and the Chief into senior citizens right before they locate KAOS HQ.

Everyone important in Washington suffers bad dreams and the president orders CONTROL to discover why. At that moment, KAOS' Mad Pharmacist Jarvis Pim appears on TV to demand $50 million in ransom. If he doesn't get it, he'll use his new hallucinogenic drug on the entire population of the city. Max and 99 track Pim to the Dartfoot Spring Water Company, where Pim captures them using "the old mortar in the mortar trick."

99 and CIA agent Quigley run into Siegfried and Starker while on a case in Canada. Meanwhile, Max and the Chief are snowed in at Miami, thanks to a KAOS plot.

99 moonlights as the secretary of a radio personality to discover a secret KAOS code.

Max and 99 go to London to investigate a modern-day Jack the Ripper.

Max poses as a wax sculpture of Hitler to spy on a KAOS scientist who brings waxworks to life.

Max is serving as a courier on board an airplane when he is forced to release his package from the plane, sending it to land on the roof of Hester Van Hooten's mansion. The only problem is Van Hooten hasn't allowed visitors to her house in 20 years and she and her brother aren't about to start now.

While attending the funeral of the latest Control Agent who was mysteriously killed,Max,99,and The Chief are shocked to find a carved Headstone with Max's name on it.

Max is assigned to protect Kaos Agent Dietrich.Dietrich has turned informant,and will give testamony on the inner workings of Kaos that would put an end to Kaos.The only obstacle however is a man name Kibbee,a ruthless Kaos assassin who has never failed an assignment.Will Max be able to protect Dietrich,and himself from Kibbee also known as the Exterminator?

Dr. Harper dies, leaving the only sample of his rocket fuel behind and KAOS finds it first. Max and 99 have to pose as a valet and maid at the Bulmanian Embassy to recover the stolen fuel. When 99's mother can't babysit, the Chief and Larabee are forced to take care of the twins so the Smarts can go to work at the embassy. Meanwhile, Max must get into the wine cellar to find the fuel, but the only key is around the neck of the ambassador.

Max comes home from work one evening to find 99 in bed,with a back eye.99 explains it away as nothing.When he inquires about 99's visit to her Mother,99 says that she did'nt feel much like visiting her.This makes Max suspicious,and before he inquires about anything else,the telephone rings.It is the Chief who informs Max that the woman in his Apartment is not 99.This is true since the real 99 is in the Chiefs Office.The Chief lets 99 talk to Max on the telephone,and this confirms to Max that it is the real 99.The Chief will explain everything to Max in the Morning,but that Max should at the present time should pretend that the woman imposter is 99.99 herself explains to the Chief what had happened that morning.While some furnisher men were moving furniture into her,and Max's apartment,the imposter 99 pulls a gun on her.She then instructed 99 to accompany the moving men(who are Kaos agents)back to their secret place.In response 99 punched the imposter,thus giving her the black eye.She w

Max and the Chief investigate a series of security leaks that seem to be connected to a chain of spas.

KAOS Agent Algernon DeGrasse owns a nursery that uses its plants to spy on important people in Washington. After a CONTROL agent disappears, Max goes to work in the nursery to crack the case. While he's working undercover as a Japanese gardener, 99 stocks up on plants for their apartment.

CONTROL must persuade a decendent of Columbus not to sell America to KAOS.

The Chief meets Smart at a public library to recover a book containing names and addresses of CONTROL agents. Max and Larrabee transport the book in an armored car to a bank vault, but Max accidentally locks the vault door on both the Chief and Larrabee. Guest Stars: Ned Glass, Herbert Voldand, Ann Summers, Robert Karvelas, George Sawaya