Thundercats (1985)

Action · Adventure · Animation

The inhabitants of the planet Thundera evacuate just before it is destroyed. They were pursued by a band of mutants. All but one of their escape ships was destroyed. Only a small group of Thunderians (Thundercats) remained. With only half engine power, the group, which was led by Jaga, had to set a course for the nearest planet. Jaga commanded their ship while the other seven were in their stasis tubes. Jaga died on their journey to Third Earth and their ship crashed there. Soon they made friends with various groups in the area and they designed a fortress. Mumm-Ra the centuries-old embodiment of evil, along with the mutants that destroyed the rest of the Thunderians are a constant threat. But Lion-O, the new leader of the Thundercats, with his weapon the "Sword of Omens" will help the Thundercats to have a standing chance.

IMDb rating: 7.9 (20,753 votes)
Seasons: 4
Streaming (US): Hulu
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 4 seasons indexed

Cast

Seasons

Season 1 (1985)

7.47 avg 65 episodes 7.6 → 7.4 23 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Exodus	7.6	461
2	The Unholy Alliance	7.3	356
3	Berbils	6.8	324
4	The Slaves of Castle Plun-Darr	7.2	299
5	Pumm-Ra	7.6	293
6	The Terror of Hammerhand	7.0	279
7	Trouble with Time	7.7	276
8	The Tower of Traps	7.5	268
9	The Garden of Delights	7.5	258
10	Mandora: The Evil Chaser	7.4	258
11	The Ghost Warrior	7.9	278
12	The Doomgaze	7.4	253
13	Lord of the Snows	7.7	247
14	The Spaceship Beneath the Sands	7.4	241
15	The Time Capsule	7.3	239
16	The Fireballs of Plun-Darr	7.5	239
17	All That Glitters	7.7	238
18	Spitting Image	7.7	240
19	Mongor	7.5	228
20	Return to Thundera	8.0	246
21	Dr. Dometone	7.3	226
22	The Astral Prison	7.4	228
23	The Crystal Queen	7.3	225
24	Safari Joe	7.9	235
25	Snarf Takes Up the Challenge	7.8	225
26	Sixth Sense	7.6	230
27	The Thunder-Cutter	7.4	219
28	The Wolfrat	7.2	220
29	Feliner: Part One	7.7	218
30	Feliner: Part Two	7.6	218
31	Mandora and the Pirates	7.2	215
32	Return of the Driller	7.6	215
33	Dimension Doom	7.6	223
34	Queen of 8 Legs	7.2	214
35	Sword in a Hole	7.3	212
36	The Evil Harp of Charr-Nin	7.0	214
37	Lion-O's Anointment First Day: The Trial of Strength	7.9	227
38	The Demolisher	7.1	217
39	Monkian's Bargain	7.5	222
40	Tight Squeeze	7.3	214
41	The Micrits	7.4	217
42	Lion-O's Anointment Second Day: The Trial of Speed	8.1	233
43	The Rock Giant	7.4	220
44	Jackalman's Rebellion	7.2	226
45	Turmagar the Tuska	7.4	220
46	Lion-O's Anointment Third Day: The Trial of Cunning	7.8	221
47	The Mumm-Ra Berbil	7.7	213
48	Mechanical Plague	7.5	210
49	Trapped	7.1	206
50	Lion-O's Anointment Fourth Day: The Trial of Mind Power	7.9	224
51	Excalibur	7.9	227
52	Secret of the Ice King	7.4	204
53	Good and Ugly	7.6	205
54	The Transfer	7.1	203
55	Divide and Conquer	7.2	206
56	Dream Master	7.1	208
57	Out of Sight	7.7	212
58	The Mountain	7.7	209
59	The Superpower Potion	7.3	201
60	Eye of the Beholder	7.3	199
61	Lion-O's Anointment Final Day: The Trial of Evil	8.2	217
62	The Trouble with Thunderkittens	7.1	203
63	Mumm-Rana	7.1	205
64	The Shifter	7.1	200
65	Fond Memories	7.4	209

Season 2 (1986)

7.50 avg 25 episodes 7.6 → 8.0 24 min avg

Rebound

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Mumm-Ra Lives!: Part I	7.6	205
2	Mumm-Ra Lives!: Part II	7.5	194
3	Mumm-Ra Lives!: Part III	7.4	195
4	Mumm-Ra Lives!: Part IV	7.4	191
5	Mumm-Ra Lives!: Part V	7.5	191
6	Catfight	7.7	191
7	Psych Out!	7.5	190
8	The Mask of Gorgon	7.5	189
9	The Mad Bubbler	7.4	185
10	Together We Stand	7.2	182
11	Ravage Island	7.2	182
12	Time Switch	7.4	186
13	The Sound Stones	7.5	188
14	Day of the Eclipse	7.5	187
15	Sideswipe	7.1	186
16	Mumm-Rana's Belt	7.5	186
17	Hachiman's Honor	7.3	186
18	Runaways	7.0	183
19	Hair of the Dog	7.3	182
20	Vultureman's Revenge	7.1	187
21	ThunderCats HO! Part 1	7.9	197
22	ThunderCats - HO! Part 2	8.0	193
23	ThunderCats - HO! Part 3	7.9	190
24	ThunderCats - HO! Part 4	8.0	191
25	ThunderCats - HO! Part 5	8.0	190

Season 3 (1988)

7.53 avg 20 episodes 7.5 → 8.1 23 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	Thundercubs: Part I	7.5	201
2	Thundercubs: Part II	7.6	194
3	Thundercubs: Part III	7.6	194
4	Thundercubs: Part IV	7.7	194
5	Thundercubs: Part V	7.8	190
6	Totem of Dera	7.5	189
7	Chain of Loyalty	7.7	192
8	Crystal Canyon	7.6	187
9	The Telepathy Beam	7.7	186
10	Exile Isle	7.3	185
11	Key to Thundera	7.8	190
12	Return of the Thundercubs	7.3	183
13	The Formula	7.2	184
14	Locket of Lies	6.9	184
15	Bracelet of Power	7.4	181
16	The Wild Workout	7.4	176
17	The Thunderscope	7.4	181
18	The Jade Dragon	7.6	181
19	The Circus Train	7.4	196
20	The Last Day	8.1	207

Season 4 (1989)

7.46 avg 20 episodes 7.6 → 7.5 23 min avg

Shape drift

Season 4 episodes - IMDb ratings
#	Title	Rating	Votes
1	Return to Thundera!: Part I	7.6	211
2	Return to Thundera!: Part II	7.6	204
3	Return to Thundera!: Part III	7.6	199
4	Return to Thundera!: Part IV	7.6	199
5	Return to Thundera!: Part V	7.8	200
6	Leah	7.3	202
7	Frogman	7.3	192
8	The Heritage	7.2	190
9	Screwloose	7.5	194
10	Malcar	7.5	192
11	Helpless Laughter	7.4	189
12	Cracker's Revenge	7.5	197
13	The Mossland Monster	7.6	192
14	Ma-Mutt's Confusion	7.2	195
15	Shadowmaster	7.5	196
16	Swan Song	7.2	196
17	Touch of Amortus	7.4	193
18	The Zaxx Factor	7.4	197
19	Well of Doubt	7.4	193
20	The Book of Omens	7.5	215

Thundercats (1985)

Cast

Seasons

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