ThunderCats was broadcast in four seasons, totaling 130 episodes. Some of the initial episodes were not broadcast in the order in which they were produced and this sometimes resulted in continuity errors. The list below shows the Production Order (PO) as well as the US Airdate Order (AO) of all 130 episodes.
Season 1 [ ]
Main article: Season 1
Pilot
PO
AO
Title
Original Airdate
003
003
Berbils
September 11, 1985
004
004
The Slaves of Castle Plun-Darr
September 12, 1985
006
005
Pumm-Ra
September 13, 1985
007
006
The Terror of Hammerhand
September 16, 1985
005
007
Trouble with Time
September 17, 1985
008
008
The Tower of Traps
September 18, 1985
009
009
The Garden of Delights
September 19, 1985
010
010
Mandora - The Evil Chaser
September 20, 1985
011
011
The Ghost Warrior
September 23, 1985
012
012
The Doom-Gaze
September 24, 1985
013
013
Lord of the Snows
September 25, 1985
014
014
The Spaceship Beneath the Sands
September 26, 1985
015
015
The Time Capsule
September 27, 1985
016
016
The Fireballs of Plun-Darr
September 30, 1985
017
017
All That Glitters
October 1, 1985
018
018
Spitting Image
October 2, 1985
020
019
Mongor
October 3, 1985
021
020
Return to Thundera
October 4, 1985
030
021
Dr. Dometone
October 7, 1985
031
022
The Astral Prison
October 8, 1985
024
023
The Crystal Queen
October 9, 1985
026
024
Safari Joe
October 10, 1985
022
025
Snarf Takes Up The Challenge
October 11, 1985
029
026
Sixth Sense
October 28, 1985
036
027
The Thunder-Cutter
October 29, 1985
040
028
The Wolfrat
October 30, 1985
039
029
Feliner - Part I
October 31, 1985
045
030
Feliner - Part II
November 1, 1985
023
031
Mandora and the Pirates
November 4, 1985
027
032
Return of the Driller
November 5, 1985
033
033
Dimension Doom
November 6, 1985
032
034
Queen of 8 Legs
November 7, 1985
044
035
Sword in a Hole
November 8, 1985
051
036
The Evil Harp of Charr-Nin
November 11, 1985
019
037
Lion-O's Anointment First Day: The Trial of Strength
November 12, 1985
038
038
The Demolisher
November 13, 1985
053
039
Monkian's Bargain
November 14, 1985
052
040
Tight Squeeze
November 15, 1985
048
041
The Micrits
November 18, 1985
025
042
Lion-O's Anointment Second Day: The Trial of Speed
November 19, 1985
035
043
The Rock Giant
November 20, 1985
055
044
Jackalman's Rebellion
November 21, 1985
028
045
Turmagar the Tuska
November 22, 1985
034
046
Lion-O's Anointment Third Day: The Trial of Cunning
November 25, 1985
058
047
The Mumm-Ra Berbil
November 26, 1985
037
048
Mechanical Plague
November 27, 1985
061
049
Trapped
November 28, 1985
042
050
Lion-O's Anointment Fourth Day: The Trial of Mind Power
November 29, 1985
041
051
Excalibur
December 2, 1985
043
052
Secret of the Ice King
December 3, 1985
046
053
Good and Ugly
December 4, 1985
062
054
The Transfer
December 5, 1985
047
055
Divide and Conquer
December 6, 1985
064
056
Dream Master
December 9, 1985
054
057
Out of Sight
December 10, 1985
056
058
The Mountain
December 11, 1985
050
059
The Superpower Potion
December 12, 1985
047
060
Eye of the Beholder
December 13, 1985
049
061
Lion-O's Anointment Final Day: The Trial of Evil
December 16, 1985
059
062
The Trouble with ThunderKittens
December 17, 1985
060
063
Mumm-Rana
December 18, 1985
063
064
The Shifter
December 19, 1985
065
065
Fond Memories
December 20, 1985
ThunderCats HO! - TV Movie [ ]
Main article: TV Movies
Season 2 [ ]
Main article: Season 2
PO
AO
Title
Original Airdate
071
071
Mumm-Ra Lives! - Part I
September 7, 1987
072
072
Mumm-Ra Lives! - Part II
September 8, 1987
073
073
Mumm-Ra Lives! - Part III
September 9, 1987
074
074
Mumm-Ra Lives! - Part IV
September 10, 1987
075
075
Mumm-Ra Lives! - Part V
September 11, 1987
076
076
Catfight
September 14, 1987
077
077
Psych Out!
September 15, 1987
078
078
The Mask of Gorgon
September 16, 1987
079
079
The Mad Bubbler
September 17, 1987
080
080
Together We Stand
September 18, 1987
081
081
Ravage Island
September 21, 1987
082
082
Time Switch
September 22, 1987
083
083
The Sound Stones
September 23, 1987
084
084
Day of the Eclipse
September 24, 1987
085
085
Sideswipe
September 25, 1987
086
086
Mumm-Rana's Belt
September 28, 1987
087
087
Hachiman's Honor
September 29, 1987
088
088
Runaways
September 30, 1987
089
089
Hair of the Dog
October 1, 1987
090
090
Vultureman's Revenge
October 2, 1987
Season 3 [ ]
Main article: Season 3
PO
AO
Title
Original Airdate
091
091
ThunderCubs - Part I
September 5, 1988
092
092
ThunderCubs - Part II
September 6, 1988
093
093
ThunderCubs - Part III
September 7, 1988
094
094
ThunderCubs - Part IV
September 8, 1988
095
095
ThunderCubs - Part V
September 9, 1988
096
096
Totem of Dera
September 12, 1988
097
097
Chain of Loyalty
September 13, 1988
098
098
Crystal Canyon
September 14, 1988
099
099
The Telepathy Beam
September 15, 1988
100
100
Exile Isle
September 16, 1988
101
101
Key to Thundera
September 19, 1988
102
102
Return of the ThunderCubs
September 20, 1988
103
103
The Formula
September 21, 1988
104
104
Locket of Lies
September 22, 1988
105
105
Bracelet of Power
September 23, 1988
106
106
The Wild Workout
September 26, 1988
107
107
The Thunderscope
September 27, 1988
108
108
The Jade Dragon
September 28, 1988
109
109
The Circus Train
September 29, 1988
110
110
The Last Day
September 30, 1988
Season 4 [ ]
Main article: Season 4
PO
AO
Title
Original Airdate
111
111
Return to Thundera - Part I
September 4, 1989
112
112
Return to Thundera - Part II
September 5, 1989
113
113
Return to Thundera - Part III
September 6, 1989
114
114
Return to Thundera - Part IV
September 7, 1989
115
115
Return to Thundera - Part V
September 8, 1989
116
116
Leah
September 11, 1989
117
117
Frogman
September 12, 1989
118
118
The Heritage
September 13, 1989
119
119
Screwloose
September 14, 1989
120
120
Malcar
September 15, 1989
121
121
Helpless Laughter
September 18, 1989
122
122
Cracker's Revenge
September 19, 1989
123
123
The Mossland Monster
September 20, 1989
124
124
Ma-Mutt's Confusion
September 21, 1989
125
125
The Shadowmaster
September 22, 1989
126
126
Swan Song
September 25, 1989
127
127
Touch of Amortus
September 26, 1989
128
128
The Zaxx Factor
September 27, 1989
129
129
Well of Doubt
September 28, 1989
130
130
The Book of Omens
September 29, 1989