Once Bitten

Archer (2009) - S4 E6

Once More, the Crimson Avenger

Adventures of the Gummi Bears - S6 E8

Once Upon a Dime

DuckTales - S1 E61

Once Upon a Planet

Star Trek: The Animated Series - S1 E9

Once Upon a Slime

The Real Ghostbusters - S3 E5

Once Upon a Swap

The Owl House - S1 E8

One Crew Over the Crewcoo's Morty

Rick and Morty - S4 E3

One Flew Over the Cuckoo Clock

Animaniacs - S4 E1

One Good Deed

Star Wars: Tales of the Underworld - S1 E6

One Hundred

Aqua Teen Hunger Force - S7 E12

One J at a Time

Daria - S5 E8

One Last Job

Adventure Time - S5 E23

One Man's Worth (1)

X-Men: The Animated Series - S4 E1

One Man's Worth (2)

X-Men: The Animated Series - S4 E2

One of Our Planets is Missing

Star Trek: The Animated Series - S1 E3

One on One

SilverHawks - S1 E26

One Pull Up

Regular Show - S4 E8

One Space Day at a Time

Regular Show - S8 E1

One Warrior to Another

Star Wars: Tales of the Underworld - S1 E3

One-Upsman-Chip

Chip 'n Dale Rescue Rangers - S2 E28

Only Human

The Transformers - S3 E23

Operation Beifong

The Legend of Korra - S4 E10

Operation Big Freeze

SilverHawks - S1 E17

Operation Hear No Evil

Regular Show - S8 E14

Operation: Destroy the Decepticons

Transformers: Headmasters - S1 E31

Operation: Fang

Archer (2009) - S13 E2

Operation: P.R.O.M.

The Venture Bros. - S4 E16

Opportunity Knox

Animaniacs - S1 E55

Optimal Situation

Beast Wars: Transformers - S3 E1

The Oracle

Adventures of the Gummi Bears - S1 E7

Orange You Sad I Did Say Banana?

King of the Hill - S10 E6

Orb

Adventure Time - S9 E1

ORB

The Venture Bros. - S3 E11

The Order of the Straight Arrow

King of the Hill - S1 E3

Orders (4)

Star Wars: The Clone Wars - S6 E4

Orgalorg

Adventure Time - S6 E40

The Origami Car

Infinity Train - S3 E9

The Origin Story

SilverHawks - S1 E1

Original Airbenders

The Legend of Korra - S3 E7

Orphan's End

X-Men: The Animated Series - S3 E16

The Orpheus Gambit

Archer (2009) - S11 E1

Oscar & Hedgehog's Melody

Summer Camp Island - S1 E6

Oscar & His Demon

Summer Camp Island - S4 E5

Oscar and the Monsters Chapter 1: Unaccompanied Oscar

Summer Camp Island - S5 E10

Oscar and the Monsters Chapter 2: Tiny Outburst Society

Summer Camp Island - S5 E11

Oscar and the Monsters Chapter 3: Witches' Brew

Summer Camp Island - S5 E12

The Other Bin of Scrooge McDuck!

DuckTales (2017) - S1 E19

The Other Tarts

Adventure Time - S2 E9

Other Victories

Beast Wars: Transformers - S3 E11

Other Visits (1)

Beast Wars: Transformers - S2 E6

Other Visits (2)

Beast Wars: Transformers - S2 E7

Other Voices (1)

Beast Wars: Transformers - S1 E25

Other Voices (2)

Beast Wars: Transformers - S1 E26

Ouroboros (1)

Star Trek: Prodigy - S2 E19

Ouroboros (2)

Star Trek: Prodigy - S2 E20

Out of Commission

Regular Show - S3 E31

Out of Darkness

Star Wars Rebels - S1 E5

Out of Network

Archer (2009) - S13 E5

Out of Scale

Chip 'n Dale Rescue Rangers - S2 E37

Out of Sight

ThunderCats - S1 E57

Out of the Past

The Legend of Korra - S1 E9

Out of the Past (1)

X-Men: The Animated Series - S3 E1

Out of the Past (2)

X-Men: The Animated Series - S3 E2

Out to Launch

Chip 'n Dale Rescue Rangers - S1 E5

Out with Grout

Slimer! And the Real Ghostbusters - S1 E16

Outfoxed

Gargoyles - S2 E14

The Outlaw Scrooge McDuck!

DuckTales (2017) - S2 E9

The Outpost

Star Wars: The Bad Batch - S2 E12

Outsiders

Robotech - S2 E11

Over the Hill Hero

Adventures of Sonic the Hedgehog - S1 E6

Over the River and Through the Trolls

Adventures of the Gummi Bears - S2 E4

Over the Top

Regular Show - S2 E21

Overlord: Terror of the Energon Tornado

Transformers: Super-God Masterforce - S1 E28

Overlords (1)

Star Wars: The Clone Wars - S3 E15

Overture

Hazbin Hotel - S1 E1

Overwhelmed

Golden Kamuy - S2 E11

P.T.A. It Ain't So

Bob's Burgers - S9 E21

Pabu

Star Wars: The Bad Batch - S2 E13

Padawan Lost (1)

Star Wars: The Clone Wars - S3 E21

The Padawan Path

Star Wars: Forces of Destiny - S1 E4

Paging the Crime Doctor

Batman: The Animated Series - S2 E5

Paint Job

Regular Show - S5 E31

Paint Misbehavin'

Darkwing Duck - S3 E7

Paint the Town Blue

Arcane - S2 E4

The Painted Lady

Avatar: The Last Airbender - S3 E3

Painted Windows

ReBoot - S2 E5

Pajama Pajimjams

Summer Camp Island - S1 E5

The Pajama War

Adventure Time - S6 E23

Pajamas Party

Summer Camp Island - S1 E31

Palace Intrigue (1)

Archer (2009) - S5 E10

Palace Intrigue (2)

Archer (2009) - S5 E11

Pam I Am

Regular Show - S7 E32

Panic! Protect the Wild Animals!

Transformers: Super-God Masterforce - S1 E7

The Papal Chase

Archer (2009) - S4 E11

Paper Hero

Robotech - S3 E7

Paper Pete

Adventure Time - S3 E22

Papers for Pappa

Animaniacs - S4 E14

Paraders of the Lost Float

Bob's Burgers - S7 E21