The Alien Underground 1 Season 15 Episode

Episode #1

Meet the Ultraterrestrial Tracker Squad

Episode #2

The Secrecy

Episode #3

The Kebobbery!

Episode #4

Trap Tutorial

Episode #5

All Washed Up!

Episode #6

Three Terrifying Tales

Episode #7

Training Troubles

Episode #8

Showdown with a Star!

Episode #9

Doggy Duel!

Episode #10

Earthdama Drama

Episode #11

Testing Time!

Episode #12

The Grand Plan

Episode #13

Wrath of the Requiem

Episode #14

The Next Case

Episode #15

The Alien Underground

Episode #16

Sky Sky Sky

Episode #17

The Info Broker

Episode #18

Eye See All

Episode #19

The Big Boss

Episode #20

The Rovian Bandit

Episode #21

Mission: Find Yudias

Episode #22

The Queen of Powloon Castle

Episode #23

Ramen Rumble

Episode #24

My Friend Got Turned into a T-Shirt

Episode #25

The Takeover

Episode #26

Secret of the Space Treasure

Episode #27

How to Make a Cartoon

Episode #28

Old School Duel

Episode #29

Rubble Trouble

Episode #30

The Redeem Queen

Episode #31

Remote Rush Duel

Episode #32

The Great King of Terror

Episode #33

Jurassic Plastic

Episode #34

Are You Kitten' Me?

Episode #35

Learning About London

Episode #36

To Freeze or Not to Freeze

Episode #37

The Zuwijo

Episode #38

A Cool Duel

Episode #39

Who's That Guy?

Episode #40

Summoning Spectacle

Episode #41

Planet Meowmeowmeow

Episode #42

The Courier

Episode #43

Hearing Whispers

Episode #44

Operation Yudias

Episode #45

Decisions, Decisions

Episode #46

Who Is the Earthdama?

Episode #47

Dueling with Efficiency

Episode #48

Playtime with Damamu

Episode #49

Rush to War

Episode #50

Rush to Retaliate

Episode #51

Rush to Redemption

Episode #52

Yudias Returns!

Episode #53

The Life of Yuhi the Runaway

Episode #54

Yuna's Determination

Episode #55

Alien School 8

Episode #56

Yuhi's Road

Episode #57

The Operation to Take Back the Surface

Episode #58

The Commander Exposed

Episode #59

Phaser's Secret

Episode #60

Yuamu’s Road

Episode #61

Cat's Duel

Episode #62

Reunion

Episode #63

The Last Dragon Chronicles

Episode #64

Those Who Are Born on the Star

Episode #65

What's in the Box? Pu-Puku-Pu

Episode #66

The Galaxy Cup Begins

Episode #67

The Sogetsu Connection

Episode #68

The First Rush Duel

Episode #69

Tremolo vs. Dinois

Episode #70

Attack of the Closet!

Episode #71

Zion's Dream Store

Episode #72

Vengeance is Mine

Episode #73

Invasion

Episode #74

My Road

Episode #75

Karutios Plan

Episode #76

Proto-Velgear

Episode #77

The Creator

Episode #78

Idiot Moment No. 88

Episode #79

The Kuaidul Dimension

Episode #80

Providence's Luxury Space Furniture Shop

Episode #81

Storm Clouds Over Mutsuba Tower!

Episode #82

Ladybug Bakery

Episode #83

Hello, Baby!

Episode #84

Unemployed

Episode #85

Other Dimension Classroom

Episode #86

Kotatsu Rebellion

Episode #87

What Will You Do, Yudias?

Episode #88

The Giant of Light

Episode #89

Two Galaxies

Episode #90

One Galaxy

Episode #91

Death to Spies

Episode #92

The Birth of an Animal Star

Episode #93

A Clockwork Zaion

Episode #94

The Gene of Princess

Episode #95

Farewell, Tazaki

Episode #96

The Bowl of Silence

Episode #97

The Stolen Robot

Episode #98

Extinction

Episode #99

The Last Cicada Samurai

Episode #100

The Obstructor

Episode #101

Resurrection of the Dead

Episode #102

There Is No Victor in Space

Episode #103

A Currygeous Journey Begins

Episode #104

Sa, Darkman

Episode #105

Captain Epoch

Episode #106

The Mom is Nyandestar

Episode #107

A Greeting from the Dark

Episode #108

Retreat Zone

Episode #109

Dark Meister

Episode #110

It Is My Turn

Episode #111

Darkman Zuwijo

Episode #112

Damamu's Right

Episode #113

Dark Matter Space

Episode #114

Castle of Darkness

Episode #115

Those Who Walk in the Dark

Episode #116

That's What Pisses Me Off About You!

Episode #117

Mochi☆Pals

Episode #118

Towards Earth...

Episode #119

DM Particles

Episode #120

Ideals of the Leaders

Episode #121

MIK of My Youth

Episode #122

Gear Manga Kamijo-kun

Episode #123

Soy Sauce Revolution

Episode #124

Mask of Deception

Episode #125

Episode 125

Episode #126

Episode 126

Episode #127

Episode 127

Episode #128

Episode 128

Episode #129

Episode 129

Episode #130

Episode 130

Episode #131

Episode 131

Episode #132

Episode 132

Episode #133

Episode 133

Episode #134

Episode 134

Episode #135

Episode 135

Episode #136

Episode 136

Episode #137

Episode 137

Episode #138

Episode 138

Episode #139

Episode 139

Episode #140

Episode 140

Episode #141

Episode 141

Episode #142

Episode 142

Episode #143

Episode 143

Episode #144

Episode 144

Episode #145

Episode 145

Episode #146

Episode 146

Episode #147

Episode 147

Episode #148

Episode 148

Episode #149

Episode 149

Episode #150

Episode 150

Episode #151

Episode 151