ThunderCats

ThunderCats (1985 – 1989)

1985 • 4 seasons • Action & Adventure, Animation • TV-Y7

On August 8, 2026

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Episode 52 — Secret of the Ice King

Season 1 • ThunderCats

Released: 1985-12-03 • Action & Adventure/Animation/Kids/Sci-Fi & Fantasy

60%

User score

A giant Ice King is accidentally released from his glacial prison and attacks the Castle of the Snowmen.

Episodes

Episode 1
Exodus
1985-01-23

Episode 2
The Unholy Alliance
1985-01-23

Episode 3
Berbils
1985-09-11

Episode 4
The Slaves of Castle Plun-Darr
1985-09-12

Episode 5
Pumm-Ra
1985-09-13

Episode 6
The Terror of Hammerhand
1985-09-16

Episode 7
Trouble with Time
1985-09-17

Episode 8
The Tower of Traps
1985-09-18

Episode 9
The Garden of Delights
1985-09-19

Episode 10
Mandora: the Evil Chaser
1985-09-20

Episode 11
The Ghost Warrior
1985-09-23

Episode 12
The Doomgaze
1985-09-24

Episode 13
Lord of the Snows
1985-09-25

Episode 14
The Spaceship Beneath the Sands
1985-09-26

Episode 15
The Time Capsule
1985-09-27

Episode 16
The Fireballs of Plun-Darr
1985-09-30

Episode 17
All That Glitters
1985-10-01

Episode 18
Spitting Image
1985-10-02

Episode 19
Mongor
1985-10-03

Episode 20
Return to Thundera
1985-10-04

Episode 21
Dr. Dometone
1985-10-07

Episode 22
The Astral Prison
1985-10-08

Episode 23
The Crystal Queen
1985-10-09

Episode 24
Safari Joe
1985-10-10

Episode 25
Snarf Takes Up the Challenge
1985-10-11

Episode 26
Sixth Sense
1985-10-28

Episode 27
The Thunder-Cutter
1985-10-29

Episode 28
The Wolfrat
1985-10-30

Episode 29
Feliner (1)
1985-10-31

Episode 30
Feliner (2)
1985-11-01

Episode 31
Mandora and the Pirates
1985-11-04

Episode 32
Return of the Driller
1985-11-05

Episode 33
Dimension Doom
1985-11-06

Episode 34
Queen of 8 Legs
1985-11-07

Episode 35
Sword in a Hole
1985-11-08

Episode 36
The Evil Harp of Charr-Nin
1985-11-11

Episode 37
Lion-O's Anointment First Day: Trial of Strength
1985-11-12

Episode 38
The Demolisher
1985-11-13

Episode 39
Monkian's Bargain
1985-11-14

Episode 40
Tight Squeeze
1985-11-15

Episode 41
The Micrits
1985-11-18

Episode 42
Lion-O's Anointment Second Day: The Trial of Speed
1985-11-19

Episode 43
The Rock Giant
1985-11-20

Episode 44
Jackalman's Rebellion
1985-11-21

Episode 45
Turmagar the Tuska
1985-11-22

Episode 46
Lion-O's Anointment Third Day: Trial of Cunning
1985-11-25

Episode 47
The Mumm-Ra Berbil
1985-11-26

Episode 48
Mechanical Plague
1985-11-27

Episode 49
Trapped
1985-11-28

Episode 50
Lion-O's Anointment Fourth Day: The Trial of Mind Power
1985-11-29

Episode 51
Excalibur
1985-12-02

Episode 52
Secret of the Ice King
1985-12-03

Episode 53
Good and Ugly
1985-12-04

Episode 54
The Transfer
1985-12-05

Episode 55
Divide and Conquer
1985-12-06

Episode 56
Dream Master
1985-12-09

Episode 57
Out of Sight
1985-12-10

Episode 58
The Mountain
1985-12-11

Episode 59
The Superpower Potion
1985-12-12

Episode 60
Eye of the Beholder
1985-12-13

Episode 61
Lion-O's Anointment Final Day: The Trial of Evil
1985-12-16

Episode 62
The Trouble with ThunderKittens
1985-12-17

Episode 63
Mumm-Rana
1985-12-18

Episode 64
The Shifter
1985-12-19

Episode 65
Fond Memories
1985-12-20

Information

Episode air date	03.12.1985
Episode runtime	22 min
Episode rating	6.00
Genres	Action & Adventure / Animation / Kids / Sci-Fi & Fantasy
TMDB series rating	8.2
IMDb series rating	7.9
Series status	Ended
Age rating	7+
Country	US

Trailer

Cast

Larry Kenney
Lion-O / Jackalman (voice)

Peter Newman
Tygra / WilyKat / Monkian (voice)

Earle Hyman
Panthro (voice)

Lynne Lipton
Cheetara / WilyKit (voice)

Earl Hammond
Mumm-Ra / Jaga / Vultureman (voice)

Bob McFadden
Snarf / Slithe (voice)

Gerrianne Raphael

Gerrianne Raphael
Pumyra (voice)

Doug Preis
Alluro (voice)

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