Fierce Battle In the Underground City 1 Season 51 Episode

Episode #1

Galactic Clash

Episode #2

The Isolated Regiment

Episode #3

Farewell, Achilles

Episode #4

Rescue Mission To Hell

Episode #5

Battle For the Experiment Planet

Episode #6

Fall To the Meteor Shower

Episode #7

Annihilation Of the Reinforcement Fleet

Episode #8

Specters Of the Binary System

Episode #9

The Glorious Suicide Corps

Episode #10

Sneak Attack On the Space Fortress

Episode #11

A Momentary Truce

Episode #12

Legend Of the Space Forest

Episode #13

The Enemy Within the Mind

Episode #14

The Earth Fleet’s Counterattack

Episode #15

Breakdown Of the Space Talks

Episode #16

The Two Rebellions

Episode #17

Orders For Asimov’s Return

Episode #18

A Touch-and-Go Situation

Episode #19

Red Moon Rising

Episode #20

Desperate Struggle For Planet K

Episode #21

Arise, Galaxy Garrison

Episode #22

Ex-Commander Teles

Episode #23

The Mission To Recapture Planet K

Episode #24

Riot On Galveston

Episode #25

Bitter Struggle On the Planet Of Light

Episode #26

The Snare Of the Hell Planet

Episode #27

Storming the Space Fortress

Episode #28

Eldora's Plea

Episode #29

Uprising At the Space Fort

Episode #30

Earth’s State Of Emergency

Episode #31

Locate Enemy Headquarters

Episode #32

Destruction Of the Front Line Base

Episode #33

The New Allied Fleet To the Rescue

Episode #34

Planet Of the Burning Cave

Episode #35

Get Yourself Together, Mutsu

Episode #36

A Desperate Undersea Combining

Episode #37

Air Rugger Vanishes

Episode #38

Emma, the Female Captain

Episode #39

The Tears Of a Rugby Player

Episode #40

The Boy Denon and the Elk

Episode #41

Discovery Of the New World

Episode #42

Impending Crisis On the Inhabitable Planet

Episode #43

Teles and Asimov

Episode #44

Aki Team Gets Caught

Episode #45

Defend the Third Planet

Episode #46

The Fall Of the Survey Base

Episode #47

The Invisible Super Weapon

Episode #48

Get Past the Tenth Planet

Episode #49

Entering the Final Zone Of Defense

Episode #50

The Struggle For Galveston

Episode #51

Fierce Battle In the Underground City

Episode #52

Galactic Dawn