Larry Kantrelle, a dump truck driver, is kidnapped at gunpoint after two men throw a mysterious package into his vehicle. Kantrelle's wife becomes worried and she enlists the Angels to get her husband back.

A tank of radioactive gas is stolen and the Angels' only clue is the tire track of a 1930s automobile. The girls go undercover as reporters at a nearby antique auto rally.

Ex-mobster Jake Garfield has just been released from prison for the murder of his wife. He claims that he was framed by a racketeer named Renaldi, so his nephew hires the Angels to investigate.

Charlie calls the Angels to a meeting which is actually a birthday party celebrating the Angels third year together. Charlie, Bosley and the girls recollect assignments, disguises and characters from their past adventures.

What Kelly does not know is that Oliver was poisoned by his nephew, Glenn Staley. Deep in debt, Staley promised to deluver Barrows' San Diego hotel to a developer with syndicate ties. Hoping the murder of Oliver would solve the problem, Glenn is now faced with the necessity of killing the new heiress. Kelly, meanwhile, is still uncertain about her real heritage, and hires Kris, Tiffany and Bosley to find proof. Tiffany joins Kelly in San Diego to study the Barrows family history, while Kris follows up on Bill Cord's investigation. In the course of their collaboration, Bill and Kris fall in love!

While tracking an embezzler, Kelly is badly wounded and taken to the hospital. Bosley and the other Angels keep a vigil for Kelly, and reminisce about her adventures with the group.

After being called predictable, Bosley becomes annoyed and challenges the Angels to a game of hide and seek. He meets an attractive woman named Ellen before phoning in his first clue to the Angels. The two become the target of someone who's not playing games.

The Angels hit the singles scene to solve a murder at a club where the gimmick is a phone at each table. Someone is calling girls at the club and telling them they are too attractive to live.

Jill Munroe returns to help the Angels find her kidnapped sister, Kris. After hearing an eyewitness account of the kidnapping, the Angels and Bosley are led to a tennis resort, where Jill is also kidnapped.

The Angels join a dance company to investigate the disappearance of several of the dancers.

After several strange accidents occur while Ron Gates is training for the Mr. Galaxy contest, the Angels are called in to find out who is trying to injure him.

When Steve Moss, owner of the Tropicana nightclub, is kidnapped and held for $1 million ransom, the Angels are called in to find him.

While investigating an arson at a legitimate business, the Angels discover it is actually a front for a pornographic film studio that blackmails wealthy people into investing.

A group of Angel look-alikes pull off several robberies, forcing the Angels to go undercover and on the lam in order to clear their names.

When a wealthy Beverly Hills couple is robbed of valuable Egyptian artifacts, the Angels suspect the real estate baron, Barry Kingsbrook.

When someone tries to kill a radio newswoman, the station turns to Charlie for help. Because their voices are similar, Kelly takes over the newswoman's on-air duties, while Kris and Sabrina check up on some of the threats she's been receiving.

A small-time crook who owes Charlie a favor leaves an urgent warning that someone is after one of the Angels. Kelly's houseguest, Sally, decides to stay in a hotel until the scandal has blown over but ends up in the center of it.

Kelly and Krsi go undercover as models in the Woodman Agency, where Julie and Jody both worked at one time. When another model from the agency commits suicide, the Angels visit the site at the same time as Julie and her friend, Harry Stearns. After shots are fired and Harry is killed, Julie admits that she has been working undercover with the police to gather evidence against Dale Woodman, who is using his modeling agency as a front for prostitution and drug trafficking. One of Woodman's clients, businessman Edward Jordan, also frequents the photography studio where Jody was killed. Kris is hired as a model, and quickly learns that Jordan has more on his mind than photography.

The Angels check into their hotel in Hawaii. When Kris goes out to get some champagne to celebrate Julie's joining the team, she is driven off the road and kidnapped.

The Angels are hired by two sisters to track down a con artist who swindled them out of $100,000.

In a series of conspicuous accidents aboard a cruise ship to Hawaii, a young couple is murdered. The ship's owner hires the Angels to investigate. The murderer knows the Angels' true identities from the start and sends them death threats.

Aging illusionist Wendell Muse is hassled by authorities when a series of suspicious fires plagues his performances. Muse hires the Angels to prove that he is not moonlighting as an arsonist.

When a jewel thief double-crosses his partners, the crooks enlist the Angels to help them recover their missing partner and a sack of priceless rubies. In order to persuade the Angels to help them, the crooks suit Sabrina with a belt full of explosives.

A jilted gigolo murders a wealthy woman and pins the crime on a jewel thief. Charlie calls in the Angels to set a trap. Kelly poses as a lonely heiress, Kris plays a Swedish movie star, Bosley a flamboyant auctioneer and Sabrina a hotel employee.

During a visit to the States, Jill becomes involved with a wealthy European who invites her to his yacht, but their interlude is interrupted by sniper fire. Later, Jill and the Angels uncover Eric's identity as the crown prince of a small European country.