Season 1

1: Exodus
2: The Unholy Alliance
3: Berbils
4: The Slaves of Castle Plun-Darr
5: Pumm-Ra
6: The Terror of Hammerhand
7: Trouble with Time
8: The Tower of Traps
9: The Garden of Delights
10: Mandora: The Evil Chaser
11: The Ghost Warrior
12: The Doomgaze
13: Lord of the Snows
14: The Spaceship Beneath the Sands
15: The Time Capsule
16: The Fireballs of Plun-Darr
17: All That Glitters
18: Spitting Image
19: Mongor
20: Return to Thundera
21: Dr. Dometone
22: The Astral Prison
23: The Crystal Queen
24: Safari Joe
25: Snarf Takes Up the Challenge
26: Sixth Sense
27: The Thunder-Cutter
28: The Wolfrat
29: Feliner: Part 1
30: Feliner: Part 2
31: Mandora and the Pirates
32: Return of the Driller
33: Dimension Doom
34: Queen of 8 Legs
35: Sword in a Hole
36: The Evil Harp of Charr-Nin
37: Lion-O's Anointment First Day: Trial of Strength
38: The Demolisher
39: Monkian's Bargain
40: Tight Squeeze
41: The Micrits
42: Lion-O's Anointment Second Day: The Trial of Speed
43: The Rock Giant
44: Jackalman's Rebellion
45: Turmagar the Tuska
46: Lion-O's Anointment Third Day: Trial of Cunning
47: The Mumm-Ra Berbil
48: Mechanical Plague
49: Trapped
50: Lion-O's Anointment Fourth Day: The Trial of Mind Power
51: Excalibur
52: Secret of the Ice King
53: Good and Ugly
54: The Transfer
55: Divide and Conquer
56: Dream Master
57: Out of Sight
58: The Mountain
59: The Super Power Potion
60: Eye of the Beholder
61: Lion-O's Anointment Final Day: The Trial of Evil
62: The Trouble with Thunderkittens
63: Mumm-Rana
64: The Shifter
65: Fond Memories

Season 2

1: ThunderCats Ho!: Part 1
2: ThunderCats Ho!: Part 2
3: ThunderCats Ho!: Part 3
4: ThunderCats Ho!: Part 4
5: ThunderCats Ho!: Part 5
6: Mumm-Ra Lives: Part 1
7: Mumm-Ra Lives: Part 2
8: Mumm-Ra Lives: Part 3
9: Mumm-Ra Lives: Part 4
10: Mumm-Ra Lives: Part 5
11: Catfight
12: Psych Out
13: The Mask of Gorgon
14: The Mad Bubbler
15: Together We Stand
16: Ravage Island
17: Time Switch
18: The Sound Stones
19: Day of the Eclipse
20: Sideswipe
21: Mumm-Rana's Belt
22: Hachiman's Honor
23: Runaways
24: Hair of the Dog
25: Vultureman's Revenge
26: ThunderCubs: Part 1
27: ThunderCubs: Part 2
28: ThunderCubs: Part 3
29: ThunderCubs: Part 4
30: ThunderCubs: Part 5
31: Totem of Dera
32: Chain of Loyalty
33: Crystal Canyon
34: The Telepathy Beam
35: Exile Isle
36: Key to Thundera
37: Return of the ThunderCubs
38: The Formula
39: Locket of Lies
40: Bracelet of Power
41: The Wild Workout
42: The Thunderscope
43: The Jade Dragon
44: The Circus Train
45: The Last Day
46: Return to Thundera: Part 1
47: Return to Thundera: Part 2
48: Return to Thundera: Part 3
49: Return to Thundera: Part 4
50: Return to Thundera: Part 5
51: Leah
52: Frogman
53: The Heritage
54: Screwloose
55: Malcar
56: Helpless Laughter
57: Cracker's Revenge
58: The Mossland Monster
59: Ma-Mutt's Confusion
60: Shadowmaster
61: Swan Song
62: Touch of Amortus
63: The Zaxx Factor
64: Well of Doubt
65: The Book of Omens
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Season 1 Episode 63
Mumm-Rana
Original Air Date: Wednesday, December 18, 1985

Official Synopsis

The RatStar, manned by the MUTANTS, attacks the Feliner. S-S-SLITHE, MONKIAN and JACKALMAN are ejected from the RatStar and fall toward the ground. They are saved from certain destruction by MUMM-RANA, a female mirror image of MUMM-RA, a force for good who lives in a White Pyramid. MUMM-RANA is led to believe that the MUTANTS are good and the THUNDERCATS evil. MUMM-RA enthralls her and turns her power against the THUNDERCATS She puts the Sword of Omens in stasis and threatens the Lair itself. LION-0 disguises himself as a wealthy TABBUT and, with TYGRA's help, sets himself up to be robbed by the MUTANTS. MUMM-RANA witnesses the attack, and the true and evil nature of the MUTANTS is revealed to her. The revelation breaks MUMM-RA's spell and MUMM-RANA releases the Sword of Omens. MUMM-RANA and the THUNDERCATS now defeat MUMM-RA and the MUTANTS, but her ordeal threatens to destroy MUMM-RANA. In a desperate race for time, the THUNDERCATS return her to the White Pyramid, where her powers are rejuvenated.

Moral

When the Mutants, in the RatStar, lose a confrontation with the ThunderCats' Feliner, their ship breaks up and they plunge free into space. But they find themselves rescued by Mumm-Rana, and they discover her and her world. Mumm-Rana, who lives in a pyramid with a tomb chamber, appears at first to be just like Mumm-Ra. But she is, in reality, his opposite. Where Mumm-Ra is the epitome of evil, Mumm-Rana is a spirit of good. Mumm-Ra appears and, after a stand-off, succeeds in taming her by casting a spell on her. He convinces her that the ThunderCats are evil enemies and she in her goodness must help vanquish them. Together, Mumm-Ra and Mumm-Rana attack the ThunderCats. They prove formidable. Because the Sword of Omens will not harm goodness, it is disarmed by Mumm-Rana and placed in a cocoon. And the ThunderCats are exiled. It is only when Lion-0 is able to impress upon Mumm-Rana that they are good and not evil that the ThunderCats are able to persevere. The realization of Mumm-Rana releases her from Mumm-Ra's spell and she frees the Sword of Omens. Together, Lion-0 and Mumm-Rana confront Mumm-Ra and repel him. And the ThunderCats are able to return Mumm-Rana to her habitat and resuscitate her powers. Good and evil are indeed opposites, and Mumm-Rana and Mumm-Ra represent their characteristics in this episode. The peace and serenity of Mumm-Rana contrasts with the estrangement and self-hatred of Mumm-Ra. Evil may at times seem more powerful than good, because it is ruthless and plays by its own rules and not the accepted rules of a moral code. it may even set aside goodness for a time. But in the overall scheme of reality, good is stronger and its effects more powerful. Human nature has a basic propensity for wholeness and to be in peace and harmony with itself, rather than fragmented and alienated. When it responds to goodness, our nature is strong and secure, full of the power that comes from self-respect. This sense of wholeness and fulfillment is a stronger attraction ultimately than the effects of evil, which breeds only disrespect.

We should commit ourselves, like Lion-O and Mumm-Rana, to alignment with the course of goodness. In doing so, we will receive the highest reward, self-respect.