The WORST episodes of The Adventures of Super Mario Bros. 3

Every episode of The Adventures of Super Mario Bros. 3 ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of The Adventures of Super Mario Bros. 3!

Everyone thought King Koopa had left the Mushroom Kingdom. Then his Doom Ship attacked! King Koopa is back with the greatest danger ever known: his Koopa kids. Using their new powers, the Super Mario Brothers must rescue Princess Toadstool and beat back the evil Koopa family.

Last Updated: 9/30/2024Network: NBCStatus: Ended
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Life's Ruff
star
5.28
32 votes

#1 - Life's Ruff

Season 1 - Episode 20 - Aired 11/10/1990

Hip and Hop steal a wand from King Windbag of Ice World. They turn the King and then Luigi into dogs, who have to pursue the twins through Miami to get the wand back and return to normal.

Writer: Martha Moran
Watch Now:Amazon
Misadventures in Babysitting
star
5.81
64 votes

#2 - Misadventures in Babysitting

Season 1 - Episode 14 - Aired 10/20/1990

The Mario brothers accidentally emerge from a warp into a Brooklyn home. The parents mistake them for babysitters for their son, Junior, who somehow manages to enter the Mushroom Kingdom and along with Cheatsy, Kooky and Bully cause trouble for Mario and Luigi.

Writer: Doug Booth
Watch Now:Amazon
Kootie Pie Rocks
star
6.18
62 votes

#3 - Kootie Pie Rocks

Season 1 - Episode 16 - Aired 10/27/1990

King Koopa kidnaps a band named Milli Vanilli so they can play for Kootie Pie.

Watch Now:Amazon
Do the Koopa
star
6.23
64 votes

#4 - Do the Koopa

Season 1 - Episode 15 - Aired 10/27/1990

The Princess hopes the Doom Dancer Music Box, which can create an endless dance spell, will put an end to the Koopas, but Mario and the gang's attempt to get it leads to it falling into King Koopa's claws.

Writer: Phil Harnage
Watch Now:Amazon
Misadventure of Mighty Plumber
star
6.26
68 votes

#5 - Misadventure of Mighty Plumber

Season 1 - Episode 12 - Aired 10/13/1990

As King Koopa plots to rob Pipe Land, he brings the Mario brother's hero, Mighty Plumber, into the kingdom to distract them.

Watch Now:Amazon
Dadzilla
star
6.32
66 votes

#6 - Dadzilla

Season 1 - Episode 9 - Aired 10/6/1990

Fed up with their dad, Kootie Pie and Big Mouth run away to Hollywood, where they use their magic wands to transform a monster robot into a real one.

Writer: Martha Moran
Watch Now:Amazon
A Toadally Magical Adventure
star
6.61
67 votes

#7 - A Toadally Magical Adventure

Season 1 - Episode 13 - Aired 10/20/1990

Toad's mishandling of a magic wand belonging to the Wizard King of the West causes it to be taken by the Koopas.

Writer: Doug Booth
Watch Now:Amazon
The Venice Menace
star
6.63
38 votes

#8 - The Venice Menace

Season 1 - Episode 25 - Aired 12/1/1990

Koopa gets another present for Kootie Pie - this time he plans to use his Doom Sub to chase everyone out of Venice, Italy then warp the entire city to Dark Land so Kootie Pie can have her own water park. The Mario Bros. are approached in Desert Land by an Italian gondolier and since Mario has a passion for the country of Italy, they couldn't resist. Armed with Frog Suits, can they stop Koopa in time?

Writer: Matt Uitz
Watch Now:Amazon
Reign Storm
star
6.79
71 votes

#9 - Reign Storm

Season 1 - Episode 7 - Aired 9/29/1990

The Mario Brothers are having a hard time keeping the kingdom stable while Toad and the Princess have fun in the sun in Hawaii.

Watch Now:Amazon
Mind Your Mummy Mommy, Mario
star
6.93
108 votes

#10 - Mind Your Mummy Mommy, Mario

Season 1 - Episode 3 - Aired 9/15/1990

Mario gets mistaken for a mummy's missing son, whose sarcophagus was stolen by Hip and Hop.

Writer: Matt Uitz
Watch Now:Amazon
Crimes R Us
star
6.97
34 votes

#11 - Crimes R Us

Season 1 - Episode 19 - Aired 11/10/1990

The Koopas bust Crimewave Clyde out of prison and take him to the Mushroom Kingdom, where Clyde tries to teach the Koopa Kids about stealing. But the Mario Brothers just seem to keep ruining their efforts.

Watch Now:Amazon
Reptiles in the Rose Garden
star
7.02
148 votes

#12 - Reptiles in the Rose Garden

Season 1 - Episode 2 - Aired 9/8/1990

The Koopa King plans to give Kootie Pie what he really wants for his birthday, America.

Watch Now:Amazon
Toddler Terrors of Time Travel
star
7.04
97 votes

#13 - Toddler Terrors of Time Travel

Season 1 - Episode 8 - Aired 9/29/1990

King Koopa and Kooky are going to travel back in time to prevent the Mario Brothers from ever arriving in the Mushroom Kingdom. The Mario Brothers and Toad sneak on board the Doomship to stop them, but the time travel reverts them all into babies.

Writer: Rowby Goran
Watch Now:Amazon
Up, Up, and a Koopa
star
7.15
33 votes

#14 - Up, Up, and a Koopa

Season 1 - Episode 21 - Aired 11/17/1990

Mario and Luigi rescue Emperor Ed of Sky World from King Koopa, but they get captured. So it's up to Toad and the Princess to get on the Doomship and save the plumbers so they can handle Koopa's Raiser-Upper device.

Writer: Rowby Goren
Watch Now:Amazon
Princess Toadstool for President
star
7.18
73 votes

#15 - Princess Toadstool for President

Season 1 - Episode 5 - Aired 9/22/1990

It's campaigning time when the Princess and King Koopa compete in an election that will decide the ruler of the Mushroom Kingdom.

Writer: Matt Uitz
Watch Now:Amazon
7 Continents for 7 Koopas
star
7.24
34 votes

#16 - 7 Continents for 7 Koopas

Season 1 - Episode 22 - Aired 11/17/1990

King Koopa schemes for his Koopalings to take over the seven continents of Earth. Only the Princess, who was inadvertently brought aboard the Doomship, can stop them.

Writer: Perry Martin
Watch Now:Amazon
Sneaky Lying Cheating Giant Ninja Koopas
star
7.32
111 votes

#17 - Sneaky Lying Cheating Giant Ninja Koopas

Season 1 - Episode 1 - Aired 9/8/1990

King Koopa plans to capture Prince Hugo the Huge the ruler of Giant Land and turns Cheatsy, Big Mouth, Bully and Kooky into giants to do the job. It's up to Mario and Luigi to save the day.

Writer: Matt Uitz
Watch Now:Amazon
The Beauty of Kootie
star
7.38
109 votes

#18 - The Beauty of Kootie

Season 1 - Episode 4 - Aired 9/15/1990

Kootie Pie and Cheatsy try to steal oil from the Sultan of Desert Land, but Mario and Luigi happen to be in the neighborhood after getting called in to fix the Sultan's plumbing.

Writer: Doug Booth
Watch Now:Amazon
Never Koop a Koopa
star
7.57
72 votes

#19 - Never Koop a Koopa

Season 1 - Episode 6 - Aired 9/22/1990

In a surprising move, King Koopa and his kids leave the Mushroom Kingdom. When Mario and the Princess check out the supposedly empty Castle Koopa, they discover it's still just as dangerous and that Koopa lied so he could attempt a take over.

Writer: Martha Moran
Watch Now:Amazon
Oh, Brother!
star
7.79
68 votes

#20 - Oh, Brother!

Season 1 - Episode 11 - Aired 10/13/1990

After an argument, Luigi walks out into a rainstorm. Mario tries to find him, but he is captured by King Koopa and Kooky. It's up to Luigi to rescue his brother.

Writer: Perry Martin
Watch Now:Amazon
The Ugly Mermaid
star
7.89
35 votes

#21 - The Ugly Mermaid

Season 1 - Episode 18 - Aired 11/3/1990

Mario and his frog suit gets turned into cement when he and the others defend the underwater city, Mertropolis, from King Koopa. Then Mertropolis' princess, Holly Mackerel, saves Mario from drowning and falls in love with him.

Watch Now:Amazon
Recycled Koopa
star
7.94
35 votes

#22 - Recycled Koopa

Season 1 - Episode 24 - Aired 11/24/1990

When the Koopalings are forced to dispose of their garbage, they have it dropped on the Mushroom Kingdom and later Brooklyn.

Watch Now:Amazon
Tag Team Trouble
star
8.00
70 votes

#23 - Tag Team Trouble

Season 1 - Episode 10 - Aired 10/6/1990

After Toad thinks he lost one million gold coins meant for an orphanage, he enters his cousins into a tag team wrestling match to win a huge coin prize. However, King Koopa and Cheatsy enter the Sledge Brothers as well and, for them, cheating is an option.

Writer: Martha Moran
Watch Now:Amazon
Mush-Rumors
star
8.03
33 votes

#24 - Mush-Rumors

Season 1 - Episode 17 - Aired 11/3/1990

A family inadvertently arrives from the real world in the Mushroom Kingdom. Everyone, from the Mushroom citizens to King Koopa himself, then hears rumors of invading aliens.

Watch Now:Amazon
Super Koopa
star
8.05
39 votes

#25 - Super Koopa

Season 1 - Episode 26 - Aired 12/1/1990

Kooky has developed a pendant for King Koopa that will grant him the powers of the Mario brothers, but it can only be used in the real world. Koopa uses that to his advantage and lures his unsuspecting enemies into the real world using Luigi as bait. But the Princess manages to contact Toad, who races to get as many power ups to the Mario brothers in time.

Writer: Doug Booth
Watch Now:Amazon