Wonder Woman Season Unknown (1975-1979)

• Phantom of the Roller Coaster

  Original Airing: 9/24/79

  Leon begs his disfigured twin (Jared Martin in dual roles) to release the orphan (Ike Eisenmann) he has befriended.

• Phantom of the Roller Coaster

  Original Airing: 9/11/79

  A man peddling U.S. secrets abroad wants to use an amusement park as a base, but the owner (Jared Martin) won't sell.

• The Man Who Could Not Die

  Original Airing: 8/28/79

  A scientist develops an injection that makes animals super-strong and invulnerable, then tries the formula on a human (Bob Seagren).

• The Boy Who Knew Her Secret

  Original Airing: 5/29/79

  Diana discovers the invading aliens are taking over human bodies to allow them to capture an evil, criminal being.

• The Boy Who Knew Her Secret

  Original Airing: 5/28/79

  A boy (Clark Brandon) from a town where aliens are taking over everyone sees Diana change herself into Wonder Woman.

• The Girl With a Gift for Disaster

  Original Airing: 3/17/79

  A thief (Raymond St. Jacques) plans to use a jinxed girl in his plot to steal priceless historical documents; guest Charles Haid.

• A Date With Doomsday

  Original Airing: 3/10/79

  A thief (Donnelly Rhodes) wearing another man's face steals a vial containing a deadly virus that could destroy millions of people.

• The Richest Man in the World

  Original Airing: 2/23/79

  An international incident looms after thieves kidnap a wealthy man and steal a missile-guidance system he sold to a foreign power.

• Amazon Hot Wax

  Original Airing: 2/16/79

  Diana poses as a singer to expose an extortion ring in the record business; guests Judge Reinhold, Sarah Purcell, Rick Springfield.

• The Starships Are Coming

  Original Airing: 2/2/79

  A fanatic (Andrew Duggan) plans to start a nuclear war by using his own television station to simulate attacks by alien spaceships.

• Spaced Out

  Original Airing: 1/26/79

  The thief (Rene Auberjonois) of a secret laser crystal conceals himself among costumed attendees at a science-fiction convention.

• Going, Going, Gone

  Original Airing: 1/12/79

  A laser expert (Hari Rhodes) uses a holographic image to trick a Soviet pilot into jettisoning a warhead, later offered for sale.

• Gault's Brain

  Original Airing: 12/29/78

  An aged industrialist has his brain preserved after his death for transferral to a young man's (David Mason Daniels) body.

• Pot of Gold

  Original Airing: 12/22/78

  A crook (Brian Davies) steals an Irish cobbler's (Dick O'Neill) gold to purchase $100 bill printing plates from a counterfeiter.

• Stolen Faces

  Original Airing: 12/15/78

  Thieves plan to impersonate Wonder Woman and her colleagues to steal jewels at a high-society party.

• The Deadly Dolphin

  Original Airing: 12/1/78

  A crooked real-estate speculator (Nicholas Coster) plans to use a trained dolphin to sink an oil tanker.

• Skateboard Wiz

  Original Airing: 11/24/78

  A teen skateboard wiz (Cynthia Eilbacher) gets mixed up with a mobster who wants to turn the girl's home town into a gambling mecca.

• Time Bomb

  Original Airing: 11/10/78

  The female half of a pair of time-travelers (Joan Van Ark, Ted Shackelford) from the year 2155 plans to destroy the city of Phoenix.

• Formicida

  Original Airing: 10/27/78

  A woman (Lorene Yarnell) calling herself Formicida sends ant armies to attack factories producing a dangerous, unstable pesticide.

• Disco Devil

  Original Airing: 10/20/78

  Diana enlists the aid of a psychic (Paul Sand) to counteract the effects of another psychic stealing secrets from scientists' minds.

• The Fine Art of Crime

  Original Airing: 10/13/78

  Diana begins to suspect a link between an artist's (Roddy McDowall) amazingly lifelike sculptures and a recent rash of art thefts.

• The Deadly Sting

  Original Airing: 10/6/78

  Steve and Diana look into a rash of football victories by underdogs; guests Ron Ely, Roman Gabriel, Deacon Jones, Craig T. Nelson.

• Hot Wheels

  Original Airing: 9/29/78

  Diana teams up with an undercover detective (Peter Brown) to bust a ring specializing in rare antique cars; guest Lance LeGault.

• My Teenage Idol Is Missing

  Original Airing: 9/22/78

  A twin (Leif Garrett) steps in to sing for his teen-idol brother, kidnapped by a master criminal (Albert Paulsen); guest Dawn Lyn.

• The Murderous Missile

  Original Airing: 4/14/78

  Diana discovers the troubles she encounters in a small town are all part of a larger plan to steal a new, thought-guided missile.

• The Man Who Wouldn't Tell

  Original Airing: 4/7/78

  Kidnappers try to force a student (Gary Burghoff) who discovered an explosive chemical to recreate the formula; guest Michael Cole.

• The Girl From Ilandia

  Original Airing: 3/31/78

  Diana comes to the aid of a kidnapped girl (Julie Ann Haddock) whose jewelry gives her superhuman powers; guest Harry Guardino.

• Flight to Oblivion

  Original Airing: 3/10/78

  An enemy agent (John Van Dreelen) uses hypnosis to obtain information on the test flight of a top-secret plane; guest Mitch Vogel.

• Seance of Terror

  Original Airing: 3/3/78

  Diana steps in when con artists take advantage of a boy's (Todd Lookinland) psychic powers to interfere with a peace conference.

• Death in Disguise

  Original Airing: 2/17/78

  Diana must protect a playboy industrialist (George Chakiris) from an assassin (Charles Pierce) who is also a master of disguise.