Animaniacs

Animaniacs (1993 – 1998)

1993 • 5 seasons • Animation, Comedy • TV-Y7

On August 9, 2026

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Episode 123 — When Mice Ruled The Earth

Season 1 • Animaniacs

Released: 1993-11-23 • Animation/Comedy/Family/Kids

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Pinky and the Brain go back to the dawn of time to influence the evolution of mice and give them evolutionary advantages over mankind so that the duo can rule the world.

Where to Stream Episode 123

Season 1 · Episode 123 · Streaming in USA

JustWatch

Amazon Prime Video

Episodes

Episode 1
De-Zanitized
1993-09-13

Episode 2
The Monkey Song
1993-09-13

Episode 3
Nighty-Night Toon
1993-09-13

Episode 4
Yakko's World
1993-09-14

Episode 5
Cookies for Einstein
1993-09-14

Episode 6
Win Big
1993-09-14

Episode 7
H.M.S. Yakko
1993-09-15

Episode 8
Slappy Goes Walnuts
1993-09-15

Episode 9
Yakko's Universe
1993-09-15

Episode 10
Hooked On a Ceiling
1993-09-16

Episode 11
Goodfeathers: The Beginning
1993-09-16

Episode 12
Taming of the Screwy
1993-09-17

Episode 13
Temporary Insanity
1993-09-20

Episode 14
Operation: Lollipop
1993-09-20

Episode 15
What Are We?
1993-09-20

Episode 16
Piano Rag
1993-09-21

Episode 17
When Rita Met Runt
1993-09-21

Episode 18
The Big Candy Store
1993-09-22

Episode 19
Bumbie's Mom
1993-09-22

Episode 20
Wally Llama
1993-09-23

Episode 21
Where Rodents Dare
1993-09-23

Episode 22
King Yakko
1993-09-24

Episode 23
No Pain, No Painting
1993-09-27

Episode 24
Les Miseranimals
1993-09-27

Episode 25
Garage Sale of the Century
1993-09-28

Episode 26
West Side Pigeons
1993-09-28

Episode 27
Hello Nice Warners
1993-09-29

Episode 28
La Behemoth
1993-09-29

Episode 29
Little Old Slappy From Pasadena
1993-09-29

Episode 30
La La Law
1993-09-30

Episode 31
Cat on a Hot Steel Beam
1993-09-30

Episode 32
Space Probed
1993-10-01

Episode 33
Battle for the Planet
1993-10-01

Episode 34
Chalkboard Bungle
1993-10-04

Episode 35
Hurray for Slappy
1993-10-04

Episode 36
The Great Wakkorotti: The Master and His Music
1993-10-04

Episode 37
Roll Over, Beethoven
1993-10-05

Episode 38
The Cat and the Fiddle
1993-10-05

Episode 39
Pavlov's Mice
1993-10-06

Episode 40
Chicken Boo-Ryshnikov
1993-10-06

Episode 41
Nothing But the Tooth
1993-10-06

Episode 42
Meatballs or Consequences
1993-10-07

Episode 43
A Moving Experience
1993-10-07

Episode 44
The Flame
1993-10-11

Episode 45
Four Score and Seven Migraines Ago
1993-10-11

Episode 46
Wakko's America
1993-10-11

Episode 47
Davy Omelette
1993-10-11

Episode 48
Hearts of Twilight
1993-10-12

Episode 49
The Boids
1993-10-12

Episode 50
Guardin' the Garden
1993-10-13

Episode 51
Plane Pals
1993-10-13

Episode 52
Be Careful What You Eat
1993-10-15

Episode 53
Up the Crazy River
1993-10-15

Episode 54
Ta da Dump, Ta da Dump, Ta da Dump Dump Dump
1993-10-15

Episode 55
Opportunity Knox
1993-10-18

Episode 56
Wings Take Heart
1993-10-18

Episode 57
Hercule Yakko
1993-10-19

Episode 58
Home on De-Nile
1993-10-19

Episode 59
A Midsummer Night's Dream
1993-10-19

Episode 60
Testimonials
1993-10-21

Episode 61
Babblin' Bijou
1993-10-21

Episode 62
Potty Emergency
1993-10-21

Episode 63
Sir Yaksalot
1993-10-21

Episode 64
You Risk Your Life
1993-10-25

Episode 65
I Got Yer Can
1993-10-25

Episode 66
Jockey for Position
1993-10-25

Episode 67
Moby Or Not Moby
1993-10-26

Episode 68
Mesozoic Mindy
1993-10-26

Episode 69
The Good, The Boo And The Ugly
1993-10-26

Episode 70
Hot, Bothered And Bedeviled
1993-10-28

Episode 71
Moon Over Minerva
1993-10-28

Episode 72
Skullhead Boneyhands
1993-10-28

Episode 73
Draculee, Draculaa
1993-10-29

Episode 74
Phranken-Runt
1993-10-29

Episode 75
O Silly Mio
1993-11-01

Episode 76
Puttin' on the Blitz
1993-11-01

Episode 77
The Great Wakkorotti: The Summer Concert
1993-11-01

Episode 78
Chairman of The Bored
1993-11-02

Episode 79
Planets Song
1993-11-02

Episode 80
Astro-Buttons
1993-11-02

Episode 81
Cartoons in Wakko's Body
1993-11-03

Episode 82
Noah's Lark
1993-11-03

Episode 83
The Big Kiss
1993-11-03

Episode 84
Hiccup
1993-11-03

Episode 85
Clown And Out
1993-11-04

Episode 86
Bubba Bo Bob Brain
1993-11-04

Episode 87
Very Special Opening
1993-11-05

Episode 88
In The Garden of Mindy
1993-11-05

Episode 89
No Place Like Homeless
1993-11-05

Episode 90
Katie Ka-Boo
1993-11-05

Episode 91
Baghdad Cafe
1993-11-05

Episode 92
Critical Condition
1993-11-08

Episode 93
The Three Muska-Warners
1993-11-08

Episode 94
Dough Dough Boys
1993-11-09

Episode 95
Boot Camping
1993-11-09

Episode 96
General Boo-Regard
1993-11-09

Episode 97
Spell-Bound
1993-11-10

Episode 98
Smitten With Kittens
1993-11-11

Episode 99
Alas Poor Skullhead
1993-11-11

Episode 100
White Gloves
1993-11-11

Episode 101
Fair Game
1993-11-12

Episode 102
The Slapper
1993-11-12

Episode 103
Puppet Rulers
1993-11-12

Episode 104
Buttermilk, It Makes a Body Bitter
1993-11-15

Episode 105
Broadcast Nuisance
1993-11-15

Episode 106
Raging Bird
1993-11-15

Episode 107
Animator's Alley
1993-11-16

Episode 108
Can't Buy A Thrill
1993-11-16

Episode 109
Hollywoodchuck
1993-11-16

Episode 110
Of Nice And Men
1993-11-17

Episode 111
What a Dump
1993-11-17

Episode 112
Survey Ladies
1993-11-17

Episode 113
Useless Fact
1993-11-18

Episode 114
The Senses Song
1993-11-18

Episode 115
The World Can Wait
1993-11-18

Episode 116
Kiki's Kitten
1993-11-18

Episode 117
Mary Tyler Dot Song
1993-11-19

Episode 118
Windsor Hassle
1993-11-19

Episode 119
...And Justice for Slappy
1993-11-19

Episode 120
Turkey Jerky
1993-11-22

Episode 121
Wild Blue Yonder
1993-11-22

Episode 122
Video Review
1993-11-23

Episode 123
When Mice Ruled The Earth
1993-11-23

Episode 124
Mobster Mash
1993-11-24

Episode 125
Lake Titicaca
1993-11-24

Episode 126
Icebreakers
1993-11-24

Episode 127
Twas the Day Before Christmas
1993-11-29

Episode 128
Jingle Boo
1993-11-29

Episode 129
The Great Wakkorotti: The Holiday Concert
1993-11-29

Episode 130
Toy Shop Terror
1993-11-29

Episode 131
Yakko's Universe
1993-11-29

Episode 132
A Christmas Plotz
1993-12-06

Episode 133
Little Drummer Warners
1993-12-06

Episode 134
The Warners And The Beanstalk
1994-02-10

Episode 135
Frontier Slappy
1994-02-10

Episode 136
Ups And Downs
1994-02-11

Episode 137
The Brave Little Trailer
1994-02-11

Episode 138
Yes, Always
1994-02-11

Episode 139
Drive-Insane
1994-02-14

Episode 140
Girlfeathers
1994-02-14

Episode 141
I'm Cute
1994-02-14

Episode 142
Brain Meets Brawn
1994-02-15

Episode 143
Meet Minerva
1994-02-15

Episode 144
Gold Rush
1994-02-16

Episode 145
A Gift of Gold
1994-02-16

Episode 146
Dot's Quiet Time
1994-02-16

Episode 147
Schnitzelbank
1994-02-17

Episode 148
The Helpinki Formula
1994-02-17

Episode 149
Les Boutons et le Ballon (Buttons and the Balloon)
1994-02-17

Episode 150
Kung Boo
1994-02-17

Episode 151
Of Course, You Know This Means Warners
1994-02-18

Episode 152
Up A Tree
1994-02-18

Episode 153
Wakko's Gizmo
1994-02-18

Episode 154
Meet John Brain
1994-02-28

Episode 155
Smell Ya Later
1994-02-28

Episode 156
Ragamuffins
1994-03-01

Episode 157
Woodstock Slappy
1994-03-01

Episode 158
Karaoke-Dokie
1994-03-02

Episode 159
The Cranial Crusader
1994-03-02

Episode 160
The Chicken Who Loved Me
1994-03-02

Episode 161
Baloney & Kids
1994-05-02

Episode 162
Super Buttons
1994-05-02

Episode 163
Katie Ka-Boom: The Driving Lesson
1994-05-02

Episode 164
Scare Happy Slappy
1994-05-03

Episode 165
Witch One
1994-05-03

Episode 166
MacBeth
1994-05-03

Episode 167
With Three You Get Eggroll
1994-05-09

Episode 168
Mermaid Mindy
1994-05-09

Episode 169
Katie Ka-Boom: Call Waiting
1994-05-09

Episode 170
Lookit The Fuzzy Heads
1994-05-16

Episode 171
No Face Like Home
1994-05-16

Episode 172
The Warners 65th Anniversary Special
1994-05-23

Information

Episode air date	23.11.1993
Episode runtime	11 min
Episode rating	0.00
Genres	Animation / Comedy / Family / Kids
TMDB series rating	8.0
IMDb series rating	7.8
Series status	Ended
Age rating	7+
Country	US

Trailer

Cast

Rob Paulsen
Yakko / Pinky (voice)

Jess Harnell
Wakko (voice)

Tress MacNeille

Tress MacNeille
Dot (voice)

Maurice LaMarche

Maurice LaMarche
The Brain / Squit (voice)

Sherri Stoner
Slappy Squirrel (voice)

Chick Vennera
Pesto (voice)

John Mariano
Bobby (voice)

Nancy Cartwright

Nancy Cartwright
Mindy (voice)

Nathan Ruegger
Skippy Squirrel (voice)

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