Ultimate Aggregor

Ben 10: Ultimate Alien - S1 E10

The Ultimate Challenge

Ultimate Muscle: The Kinnikuman Legacy - S2 E7

Ultimate Courage

Ultimate Muscle: The Kinnikuman Legacy - S1 E24

Ultimate Deadpool

Ultimate Spider-Man - S2 E16

The Ultimate Enemy

Danny Phantom - S2 E5

The Ultimate Enemy (1)

Ben 10: Ultimate Alien - S2 E31

The Ultimate Enemy (2)

Ben 10: Ultimate Alien - S2 E32

The Ultimate Great Moth

Yu-Gi-Oh! Duel Monsters - S1 E5

The Ultimate Heist

Ben 10: Omniverse - S4 E7

The Ultimate Pollution

Captain Planet and the Planeteers - S1 E20

The Ultimate Sacrifice

Ben 10: Ultimate Alien - S2 E19

Ultimate Spider-Man

Marvel's Spider-Man - S1 E9

The Ultimate Victor

Ultimate Muscle: The Kinnikuman Legacy - S2 E14

Ultimate Weapon

Ben 10 - S2 E8

Ultimatum

Code Lyoko - S2 E15

Ultimatum

Justice League Unlimited - S1 E9

The Ultimatum

The Legend of Korra - S3 E11

Ultimatum

RWBY - S8 E10

Ultra Chicks

Megas XLR - S2 E1

The Ultron Imperative

The Avengers: Earth's Mightiest Heroes - S1 E23

Ultron Unlimited

The Avengers: Earth's Mightiest Heroes - S2 E17

Ultron-5

The Avengers: Earth's Mightiest Heroes - S1 E22

The Unbearable Blightness of Being

Captain Planet and the Planeteers - S4 E5

The Unbearable Blindness of Laying

King of the Hill - S2 E11

The Unbearable Lightness of Zero

Red vs. Blue - S19 E8

The Uncertainty Principle

The Spectacular Spider-Man - S1 E9

Uncharted Territory

Code Lyoko - S2 E2

The Uncle Ruckus Reality Show

The Boondocks - S2 E15

Uncommunicado

Red vs. Blue - S5 E20

Uncool Customer

King of the Hill - S13 E12

Uncovered

RWBY - S6 E2

Under Lock and Key

X-Men: Evolution - S3 E9

Under the Small Top

SpongeBob SquarePants - S13 E9

Under The Weather

Red vs. Blue - S4 E16

Under Wraps

Ben 10 - S3 E8

Undercover

Ben 10: Alien Force - S2 E5

Undercover Flea / Kid Wombat

Mucha Lucha - S2 E13

Underground

BoJack Horseman - S4 E7

Underground

Transformers: Armada - S1 E10

The Underwater Mines

W.I.T.C.H. - S1 E19

Unearthed

Ben 10: Alien Force - S2 E11

Unfinished Business

Star Wars: The Clone Wars - S7 E4

The Unfinished Car

Infinity Train - S1 E6

Unforeseen Consequences

RWBY - S5 E3

Unforgiven Cheese

Biker Mice from Mars - S2 E12

Unfortunate Son

King of the Hill - S6 E11

Unfulfilled

South Park - S22 E9

The Ungroundable

South Park - S12 E14

The Unicorn in Captivity

The Venture Bros. - S7 E7

Unidentified Flailing Octopus

SpongeBob SquarePants - S15 E2

Union (1)

Transformers: Armada - S1 E50

Universal Remote

Megas XLR - S2 E11

Universe vs. Tennyson

Ben 10: Omniverse - S6 E8

The Unknown

Over the Garden Wall - S1 E10

The Unknown

Star Wars: The Clone Wars - S6 E1

Unknown Factors

Young Justice - S3 E21

The Unknown Murderer

Celebrity Deathmatch - S2 E5

Unlikely Alliances

Ōban Star-Racers - S1 E25

Unlikely Alloys

Swat Kats: The Radical Squadron - S2 E12

Unmasked

Batman Beyond - S3 E13

Unmellow Yellow

Ultimate Muscle: The Kinnikuman Legacy - S1 E10

Unmortricken

Rick and Morty - S7 E5

The Unnaturals

Ben 10 - S3 E9

Unpresidented

Inside Job - S1 E1

Unreal City

DOTA: Dragon's Blood - S2 E8

Unreal Estate

SpongeBob SquarePants - S10 E11

Unreal Tournament: Xan

Secret Level - S1 E4

Unrestrainable Trainable

Drawn Together - S3 E4

The Unstoppable Juggernaut

X-Men: The Animated Series - S1 E8

Untitled

The Amazing Digital Circus - S1 E5

Untitled Blake McCormick Project

King of the Hill - S12 E12

Untouchable

Batman Beyond - S3 E2

Up and Running

Pacific Rim: The Black - S1 E4

Up the Down Steroid

South Park - S8 E2

Up, Up, and Awry

Darkwing Duck - S1 E34

Upgrade

Gargoyles - S2 E18

Upon Further Review

Red vs. Blue - S8 E3

Uprising

Transformers: Armada - S1 E44

Uprising

X-Men: Evolution - S4 E5

UpWard

SpongeBob SquarePants - S15 E1

Upwardly Mobile

Biker Mice from Mars - S2 E5

Urban Jungle

Danny Phantom - S3 E1

Use the Medaforce

Medabots - S1 E26

The Usual Suspect

Static Shock - S3 E5

Usual Suspects

Young Justice - S1 E25

Utopia

Captain Planet and the Planeteers - S2 E26

Vacation

Sealab 2021 - S3 E2

Vacation

Transformers: Armada - S1 E19

Valkyrick

Rick and Morty - S8 E2

Valley of the Silicon Dolls

Code Monkeys - S2 E5

Vam qan Namek

Dragon Ball Z Abridged - S2 E18

The Vampire Strikes Back

Ben 10: Omniverse - S5 E8

The Vat of Acid Episode

Rick and Morty - S4 E8

Vaughn vs. Wilson

Celebrity Deathmatch - S6 E2

Vault of the Spring Maiden

RWBY - S5 E12

Vegas, Baby!

Code Monkeys - S1 E12

Vegeta: Kills Bugs Dead

Dragon Ball Z Abridged - S1 E5

Velma

Velma - S1 E1