Watch Greatest American Hero Online | Peacock

Comedy-Drama3 Seasons
Say Hello to Peacock! The wildly entertaining new streaming service for watching Greatest American Hero. Watch today!
William Katt, Connie Sellecca, Robert Culp

Watch Full Episodes of Greatest American Hero

Watch Greatest American Hero Season 2

Aliens give a high-school teacher a suit with special powers.
  • The 200-Mile-an-Hour Fastball
    Episode 149 mins
    Bill sends in baseball-fan Ralph to infiltrate a playoff-bound team whose members are being felled.
  • Operation: Spoilsport
    Episode 249 mins
    Ralph and Maxwell must stop an automatic missile system from launching weapons aimed at Russia.
  • Don't Mess Around With Jim
    Episode 349 mins
    A billionaire wants his last charity bequest honored.
  • Hog Wild
    Episode 449 mins
    Motorcycle-gang decide Ralph's suit would help their plans to wreck a border town.
  • Classical Gas
    Episode 547 mins
    International assassin plans to unleash nerve gas at a concert.
  • The Beast in the Black
    Episode 649 mins
    Ralph uses his powers to exorcise a murderous female spirit that has possessed Maxwell.
  • The Lost Diablo
    Episode 749 mins
    Ralph uses his powers to uncover a lost gold mine and confronts dangerous mountain men.
  • The Plague
    Episode 849 mins
    A mad mercenary plots to unleash germ warfare on American enemies.
  • Train of Thought
    Episode 949 mins
    A case of amnesia complicates Ralph's efforts to stop a hijacked train carrying radioactive waste.
  • Now You See It
    Episode 1049 mins
    Ralph witnesses Pam's death in a plane crash which hasn't happened yet.
  • The Hand-Painted Thai
    Episode 1149 mins
    Ralph and Maxwell uncover a plot by a general to blow up a dam.
  • Just Another Three-Ring Circus
    Episode 1249 mins
    Ralph joins a circus to investigate the disappearance of a Polish clown.
  • The Shock Will Kill You
    Episode 1349 mins
    Ralph is magnetized then deals with alien stowaway.
  • A Chicken in Every Plot
    Episode 1449 mins
    Ralph, Pam and Maxwell investigate a murder committed during a voodoo ritual.
  • The Devil in the Deep Blue Sea
    Episode 1549 mins
    Ralph suspects a gigantic ocean creature is sinking yachts in the Devil's Triangle.
  • It's All Downhill from Here
    Episode 1649 mins
    On a skiing vacation, Ralph has a vision of a Soviet spy murdering a Czech agent's American contact.
  • Dreams
    Episode 1749 mins
    Ralph uses his powers to help colleagues fulfill lifelong dreams.
  • There's Just No Accounting ...
    Episode 1849 mins
    When Ralph rescues a kidnapped girl, the ransom lands him in trouble with the IRS.
  • The Good Samaritan
    Episode 1949 mins
    Ralph crusades to aid citizens in distress and ignores a hunt for two escaped convicts.
  • Captain Bellybuster and the Speed Factory
    Episode 2049 mins
    Ralph chases a hamburger truck carrying contraband and gets unwanted newspaper publicity.
  • Who's Woo in America
    Episode 2147 mins
    Ralph fears for his mother (Barbara Hale) when her secretive fiance attracts unsavory attention.
  • Lilacs, Mr. Maxwell
    Episode 2249 mins
    Maxwell falls for a beautiful but deadly foreign agent who is posing as an FBI efficiency expert.

Related Clips

Frequently Asked Questions

Download the Peacock app and start streaming full episodes of Greatest American Hero. View the full list of supported devices.

You can watch Greatest American Hero on Peacock. Just sign up for Peacock and stream every episode.

Peacock currently has 3 seasons of Greatest American Hero available for streaming.

Stream new movies, hit shows, exclusive Originals, live sports, WWE, news, and more.

Love Island
NEW MOVIES - They/Them
BRAVO OBSESSIONS - The Real Housewives Franchise
The Real Housewives Franchise
LIVE SPORTS - Premier League
Premier League
Start watching Greatest American Hero
An email and password is all it takes