Underdog - Season 1
1 - Saif Waif / March of the Monsters / Simon Says / Moon Zoom (Go Go Gophers) / Over the Falls (Commander McBragg)
Air Date: October 3, 1964
Underdog rescues a boy locked in a bank vault, causing destructive mayhem in the process; An army of huge mechanical monsters invades the city and capture Polly Purebred; Simon Bar-Sinister develops an energy ray that turns its target into a photograph. He kidnaps Sweet Polly Purebred to trap Underdog into a photograph and tear him up; The Indian Gophers plan to send the colonel to the moon in a rocket; Commander McBragg tells how he untrailed a group of savages
2 - Go Snow, Parts 1 & 2 / The Trojan Totem (Go Go Gophers) / Fish Story (Commander McBragg)
Air Date: October 17, 1964
Simon invents a snow machine. He turns people into snow. Can Underdog stop him before it's to late? Simon Bar-Sinister engages in a robbery spree throughout the city, turning people into snowmen. Meanwhile, Sweet Polly Purebred discovers Simon's laboratory. The Indian Gophers deliver a gift of a totem pole to the fort, but they hide inside and conduct raids at night Commander McBragg tells about a giant fish
3 - Go Snow, Parts 3 & 4 / Introducing General Nuisance (Go Go Gophers) / The Himalayas (Commander McBragg)
Air Date: October 24, 1964
Simon forces Sweet Polly Purebred to broadcast an ultimatum to the city. When Underdog comes to save the day, Simon uses his snow ray on him; Underdog has been frozen by Simon's snow ray, and Simon holds the city in terror. General Nuisance visits the fort and threatens to transfer the Colonel because of his failure to capture the Indian Gophers. Commander McBragg tells about his encounter with Abominable Snowmen
4 - Zot, Parts 1 & 2 / Gatling Gophers (Go Go Gophers) / The North Pole (Commander McBragg)
Air Date: October 31, 1964
King Klobber, from the distant planet of Zot, has promised his daughter, Princess Glissando, the strongest husband in the universe; King Klobber sends a delegation to earth to bring back Underdog to marry his daughter, against Underdog's wishes. The colonel obtains a Gatling gun which he plans to use against the Indian Gophers. Commander McBragg tells his North Pole tale.
5 - Zot, Parts 3 & 4 / The Cleveland Indians (Go Go Gophers) / Khyber Pass (Commander McBragg)
Air Date: November 7, 1964
Underdog successfully fights off the Zot army, so King Klobber kidnaps Sweet Polly Purebred; To save Sweet Polly, Underdog agrees to marry Princess Glissando. The wedding is threatened by a two-headed dragon; The colonel convinces the Indian Gophers to move to Cleveland
6 - The Great Gold Robbery, Parts 1 & 2 / Medicine Men (Go Go Gophers) / Ace of Aces (Commander McBragg)
Air Date: November 14, 1964
Riff-Raff is no longer Public Enemy No. 1, so he comes up with the ultimate plan: robbing a trainload of gold; Riff-Raff's plan goes into action; The Gophers give the Colonel a headache and a stomachache as part of their scheme to steal his bologna; Commander McBragg recalls when he took down five enemy planes
7 - The Great Gold Robbery, Parts 3 & 4 / Mesa Mess (Go Go Gophers) / Niagara Falls (Commander McBragg)
Air Date: November 21, 1964
Underdog is still confused and frustrated trying to find Sweet Polly among all the balloon; The train full of gold is about to crash into another train, with Riff-Raff's plan going just as he expected; The Colonel leads an assault on the Gophers' secret hideout atop Lonesome Mesa - unaware that the mesa is a Gopher construct laden with traps; Commander McBragg tells a tale that happened at Niagara Falls
8 - Fearo the Ferocious, Parts 1 & 2 / Termite Trainers (Go Go Gophers) / Dodge City Dodge (Commander McBragg)
Air Date: November 28, 1964
Sweet Polly Squeeze boards a ship to travel to a south sea island to investigate the world's biggest monster "Fearo the Ferocious"; After overcoming a mutiny at sea Polly and the gang continue on to the south sea Island to find "Fearo the Ferocious"; The Gophers send a trained Indian termite to attack the Colonel's wooden fort; Commander McBragg tells about when he "cleaned" Dodge City
9 - Fearo the Ferocious, Parts 3 & 4 / Who's A Dummy (Go Go Gophers) / Football by Hex (Commander McBragg)
Air Date: December 5, 1964
Reminiscent of the movie King Kong the gang captures "Fearo" and return him to civilization to meet the public in a big television broadcast; "Fearo" runs amok and even the Army cannot stop him. Underdog arrives on the scene and battles "Fearo" by tantalizing him with a jungle delicacy; Upon learning that the Colonel plans to bring them down using football tactics, the Gophers carve football tackling dummies in their own likenesses; Commander McBragg remembers his football game with Hex University
10 - The Big Shrink, Parts 1 & 2 / Tapping the Telegraph (Go Go Gophers) / Rabelasia (Commander McBragg)
Air Date: December 12, 1964
Simon Bar Sinister is working an a chemical that will shrink the city's citizens to miniature size; After being shrunk by Simon Bar-Sinister Underdog and Polly are imprisoned in a birdcage in Simon's lair; General Nuisance sets up a telegraph line to send attack orders to the Colonel. The Gophers tap the line and send to the Colonel - shall we say - revised orders; Commander McBragg recalls getting away with a stolen record
11 - The Big Shrink, Parts 3 & 4 / Bold as Gold (Go Go Gophers) / Okefenokee Swamp (Commander McBragg)
Air Date: December 19, 1964
The shrunken Underdog and Polly make their way through Simon's garden to try and stop Simon's plans, facing rats and eagle attacks; Simon shrinks the inhabitants of the city, as well as his henchman so he can be the tallest man in the world and then lies down for a rest; The Colonel and the Sergeant prospect for gold in Gopher Gulch, hoping that a gold strike will draw thousands of fortune seekers, crowding out Ruffled Feather and Running Board; Commander McBragg tells about an encounter with a black snake
12 - The Bubbleheads, Parts 1 & 2 / Up In The Air (Go Go Gophers) / The Flying Machine (Commander McBragg)
Air Date: December 26, 1964
The Emperor and Empress Bubble heads try to find a way to destroy the earth. Tennessee Tuxedo tries to get snow on the hill to go skiing. Colonel Coyote goes berry picking. Polly investigates why the ocean is becoming more dangerous and the Bubbleheads try to stop them from finding out.
13 - The Bubbleheads. Parts 3 & 4 / The Big Banger (Go Go Gophers) / The Great Elephant (Commander McBragg)
Air Date: January 2, 1965
The Bubbleheads. Parts 3 & 4 / The Big Banger (Go Go Gophers) / The Great Elephant (Commander McBragg)
14 - From Hopeless To Helpless, Parts 1 & 2 / He's for the Berries (Go Go Gophers) / The Great Bird (Commander McBragg)
Air Date: January 9, 1965
From Hopeless To Helpless, Parts 1 & 2 / He's for the Berries (Go Go Gophers) / The Great Bird (Commander McBragg)
15 - From Hopeless To Helpless, Parts 3 & 4 / Swamped (Go Go Gophers) / Chicago Mobsters (Commander McBragg)
Air Date: January 16, 1965
From Hopeless To Helpless, Parts 3 & 4 / Swamped (Go Go Gophers) / Chicago Mobsters (Commander McBragg)
16 - Tricky Trap by Tap Tap / Tanks to the Gophers (Go Go Gophers) / The Monster Bear (Commander McBragg)
Air Date: January 23, 1965
Tricky Trap by Tap Tap / Tanks to the Gophers (Go Go Gophers) / The Monster Bear (Commander McBragg)
17 - The Witch of Pickyoon, Parts 1 & 2 / Indian Treasure (Go Go Gophers) / The Kangaroo (Commander McBragg)
Air Date: January 30, 1965
The Witch of Pickyoon, Parts 1 & 2 / Indian Treasure (Go Go Gophers) / The Kangaroo (Commander McBragg)
18 - The Witch of Pickyoon, Parts 3 & 4 / The Horseless Carriage Trade (Go Go Gophers) / The Giant Mosquito (Commander McBragg)
Air Date: February 6, 1965
The Witch of Pickyoon, Parts 3 & 4 / The Horseless Carriage Trade (Go Go Gophers) / The Giant Mosquito (Commander McBragg)
19 - Weathering the Storm, Parts 1 & 2 / Honey Fun (Go Go Gophers) / The Black Knight (Commander McBragg)
Air Date: February 13, 1965
Weathering the Storm, Parts 1 & 2 / Honey Fun (Go Go Gophers) / The Black Knight (Commander McBragg)
20 - Weathering the Storm, Parts 3 & 4 / The Colonel Cleans Up (Go Go Gophers) / The Flying Pond (Commander McBragg)
Air Date: February 20, 1965
Weathering the Storm, Parts 3 & 4 / The Colonel Cleans Up (Go Go Gophers) / The Flying Pond (Commander McBragg)
21 - The Goldbricks, Parts 1 & 2 / The Raw Recruits (Go Go Gophers) / The Old Ninety-Two (Commander McBragg)
Air Date: February 27, 1965
The Goldbricks, Parts 1 & 2 / The Raw Recruits (Go Go Gophers) / The Old Ninety-Two (Commander McBragg)
22 - The Goldbricks, Parts 3 & 4 / Tenshun! (Go Go Gophers), One Man in Manhattan (Commander McBragg)
Air Date: March 6, 1965
The Goldbricks, Parts 3 & 4 / Tenshun! (Go Go Gophers), One Man in Manhattan (Commander McBragg)
23 - The Magnet Men, Parts 1 & 2 / Cuckoo Combat (Go Go Gophers) / Oyster Island (Commander McBragg)
Air Date: March 13, 1965
The Magnet Men, Parts 1 & 2 / Cuckoo Combat (Go Go Gophers) / Oyster Island (Commander McBragg)
24 - The Magnet Men, Parts 3 & 4 / Kitchen Capers (Go Go Gophers) / The Steam Car (Commander McBragg)
Air Date: March 20, 1965
The Magnet Men, Parts 3 & 4 / Kitchen Capers (Go Go Gophers) / The Steam Car (Commander McBragg)
25 - The Phoney Booth Ring, Parts 1 & 2 / The Great White Stallion (Go Go Gophers) / Swimming the Atlantic (Commander McBragg)
Air Date: March 27, 1965
The Phoney Booth Ring, Parts 1 & 2 / The Great White Stallion (Go Go Gophers) / Swimming the Atlantic (Commander McBragg)
26 - The Phoney Booth Ring, Parts 3 & 4 / Blankety, Blankety, Blank (Go Go Gophers) / Fort Apache (Commander McBragg)
Air Date: April 3, 1965
The Phoney Booth Ring, Parts 3 & 4 / Blankety, Blankety, Blank (Go Go Gophers) / Fort Apache (Commander McBragg)