6.0/101 votesLoading...#1 - Excalibur
Season 1 Episode 51 - Aired 12/2/1985
The story of Excalibur, the greatest sword in history, is revealed to Mumm-Ra, who is then determined to find the Excalibur and defeat Lion-O and the Sword of Omens.
Director: N/A
Writer: Peter Lawrence
6.0/101 votesLoading...#3 - Good and Ugly
Season 1 Episode 53 - Aired 12/4/1985
A Terator Starship, an extremely ugly spaceship, is pursued by a Kymera Craft, a visually appealing spaceship. The Terator Spaceship escapes and lands at the Cats' Lair
Director: N/A
Writer: Peter Lawrence
6.0/101 votesLoading...#4 - The Transfer
Season 1 Episode 54 - Aired 12/5/1985
A spaceship freighted with a lethal radioactive sphere is on a collision course for Third Earth.
Director: N/A
Writer: Lee Schneider, Lawrence DuKore
6.0/101 votesLoading...#5 - Divide and Conquer
Season 1 Episode 55 - Aired 12/6/1985
Vultureman invents a voice imitator that imitates the ThunderCats' voices. He uses it to lure the ThunderCats into perilous situations.
Director: N/A
Writer: Lee Schneider
6.0/101 votesLoading...#6 - Dream Master
Season 1 Episode 56 - Aired 12/9/1985
Mumm-Ra transforms into Mumm-Ra the Dream Master and summons spectral Dream Selves from the sleeping Panthro, Cheetara, Tygra, Wilykat, and Wilykit.
Director: N/A
Writer: Heather M. Winters, Annabelle Gurwitch
6.0/101 votesLoading...#7 - Out of Sight
Season 1 Episode 57 - Aired 12/10/1985
Willa is practicing her long-bow skills when a warning device alerts her to a Mutant attack. Willa is captured and the ThunderCats rush to rescue her.
Director: N/A
Writer: Chris Trengove
6.0/101 votesLoading...#8 - The Mountain
Season 1 Episode 58 - Aired 12/11/1985
Mumm-Ra summons the Mutants and threatens to banish them from Third Earth unless they bring him the Sword of Omens.
Director: N/A
Writer: Danny Peary
6.0/101 votesLoading...#9 - The Superpower Potion
Season 1 Episode 59 - Aired 12/12/1985
Vultureman invents a Super Power Potion which give him magical powers, enabling him to mesmerize and defeat Tygra.
Director: N/A
Writer: Chris Trengove
6.0/101 votesLoading...#11 - Lion-O's Anointment Final Day: The Trial of Evil
Season 1 Episode 61 - Aired 12/16/1985
The concluding trial in Lion-O's Anointment Trials pits him alone and weaponless against the evil Mumm-Ra.
Director: N/A
Writer: Leonard Starr
6.0/101 votesLoading...#12 - The Trouble with ThunderKittens
Season 1 Episode 62 - Aired 12/17/1985
To prove themselves worthy of being ThunderCats, the ThunderKittens borrow the other ThunderCats' weapons and practice with them. They are ambushed by Mutants, who take their weapons.
Director: N/A
Writer: Kimberly Morris
6.0/101 votesLoading...#14 - The Shifter
Season 1 Episode 64 - Aired 12/19/1985
Vultureman invents the Shifter, a device that can switch personalities, and uses it on Panthro's personality and Snarf's body.
Director: N/A
Writer: Matthew Malach
6.0/101 votesLoading...#15 - Fond Memories
Season 1 Episode 65 - Aired 12/20/1985
Mumm-Ra creates a museum where painting and statues come alive to oppose the ThunderCats.
Director: N/A
Writer: Lee Schneider
6.8/10286 votesLoading...#16 - Berbils
Season 1 Episode 3 - Aired 9/11/1985
The Ro-Bear Berbils are a friendly group of robot bears that live on Third Earth. Lion-O and Snarf don't know this, and end up getting caught in a Ro-Bear trap. The Berbils free them however, and they form an alliance. Mumm-ra attacks the Berbil village, but the Thundercats save it. In return, the Ro-Bears help the Thundercats to build Cats' Lair, a new base for the Thundercats.
Director: N/A
Writer: Leonard Starr
7.0/10188 votesLoading...#17 - The Evil Harp of Charr-Nin
Season 1 Episode 36 - Aired 11/11/1985
Wilykit and Kat find an ancient harp that has a genie in it. His name is Charr-Nin. Mumm-Ra appears to the genie and tells him that if he destroys the Thundercats, he will be freed from his eternal prison in the harp. Foolishly, Char-Nin agrees, and begins trapping the Thundercats in his harp one by one. Mumm-Ra's plan works, and he betrays Charr-Nin. During their arguing, the Thundercats manage to escape, leaving Mumm-Ra and Charr-Nin battling beneath the earth
Director: N/A
Writer: Doug Bernstein, Denis Markell
7.0/10161 votesLoading...#18 - The Sound Stones
Season 2 Episode 18 - Aired 9/23/1987
Bored and feeling that they are no longer needed, the Thunderkittens run away from home, but soon run into problems when they become ill from berries they had picked. A creature known as Cudi saves their lives. When the other Thundercats find them, the Thunderkittens invite Cudi to Cats Lair. But Mumm-Ra has been observing the situation and disguises himself as Cudi to gain entrance to the Lair. Many disasters occur and the blame is put on the false Cudi, who traps the Thundercats in the council chamber. The Thundercats realize it's Mumm-Ra and they manage to escape and defeat him.
Director: N/A
Writer: J. Larry Carroll
7.0/10165 votesLoading...#19 - Locket of Lies
Season 3 Episode 14 - Aired 9/22/1988
On Thundera, Mumm-Ra creates the Locket of Lies and has Mu-Mutt plant it in the Valley of the Snarfs. Eggbert and Oswald Snarf find the locket and contact the Thundercats about it. When communications break up, the Thundercats (Lion-O, Cheetara, Panthro, Tygra) go to Thundera to see the Locket. When they arrive, the Locket leads them to a place in front of an old building. But the ground they are standing on gives way and they are trapped in a well. Mumm-Ra shows up and tells them not to try to escape, but the Thundercats try anyway. The walls start closing on them, and all their efforts to stop the walls fail. Finally, Lion-O uses the Eye of Thundera and the Cat Signal to push through the wall, and they all escape
Director: N/A
Writer: Bill Ratter
7.1/10244 votesLoading...#20 - The Terror of Hammerhand
Season 1 Episode 6 - Aired 9/16/1985
When Snarf and a young unicorn are captured by the pirate Hammerhand and his crew of Berserkers, Lion-O goes to rescue them.
Director: N/A
Writer: Ron Goulart, Jules Bass
7.2/10263 votesLoading...#21 - The Slaves of Castle Plun-Darr
Season 1 Episode 4 - Aired 9/12/1985
The homeless Mutants also make plans to build their home. They enslave a primitive race of beings called Brute-Men to do their work for them. The Thundercats go to Castle Plunn-Darr to free the Brute-Men from the Mutants.
Director: N/A
Writer: Leonard Starr
7.2/10189 votesLoading...#22 - The Demolisher
Season 1 Episode 38 - Aired 11/13/1985
A vagabond space traveler lands on Third Earth to challenge Mumm-Ra to a fight. The Demolisher is victorious against Mumm-Ra and sends him running back to his tomb. Mumm-Ra acknowledges the power of the Demolisher, and convinces him to seek and destroy Lion-O. The Demolisher, searching for another fight, gladly accepts Mumm-Ra's advice. He battles with Lion-O only to face defeat.
Director: N/A
Writer: Bob Haney, Peter Lawrence
7.2/10182 votesLoading...#23 - Trapped
Season 1 Episode 49 - Aired 11/28/1985
When a big storm hits Third Earth, the Thunderkittens are trapped in an old space capsule. Meanwhile, Tygra and Cheetra almost crash the Feliner, but Lion-O guides them in for a safe landing with the eye of Thundera. The kittens are captured by Mumm-ra, but end up saving the day by showing him his reflection in the window of the capsule.
Director: N/A
Writer: Steve Perry
7.2/10161 votesLoading...#24 - Mumm-Ra Lives (5)
Season 2 Episode 10 - Aired 9/11/1987
Mumm-Ra summons the Berserkers and coats their armor with Thundrainium and sends them to attack the Thundercats at the Tower of Omens. Realizing that their armor is coated with Thundrainium, the Thundercats at the tower need help and Lion-O and Tygra rescue them. They create a windstorm to rub off the Thundrainium and the Berserkers retreat. Meanwhile the Lunataks invade Cats' Lair and the Thundercats must rush back to save the Thunderkittens and Snarf who are being held as the Lunataks' slaves.
Director: N/A
Writer: Leonard Starr
7.2/10164 votesLoading...#25 - Together We Stand
Season 2 Episode 15 - Aired 9/18/1987
Snarfer is making a trip back to Third Earth bringing food for the Thundercats, but he gets sideswiped by Chilla. Mandora, evil chaser sees this and pulls Chilla over. Chilla, however, ices Mandora and makes a run for it. Mandora insists on the Thundercats' help to capture Chilla. But when she and Lynx-O go to Darkside to capture Chilla, they fall into one of the Lunataks' traps. It seems that the Lunataks wanted the Braille board so that the Thundercats could not get to them. But when the board disappears, they try to get the information from Lynx-O as to where it went, but Mandora escapes and frees Lynx-O. She is tricked however and she and Lynx-O are shot up into space in a pod. Lion-O brings them down by using the Sword, and they return to Darkside and Mandora succeeds in capturing Chilla.
Director: N/A
Writer: Herb Engelhardt
The Worst Episodes of ThunderCats
Every episode of ThunderCats ranked from worst to best. Explore the Worst Episodes of ThunderCats!
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...
Genres:AnimationSci-Fi & FantasyAction & AdventureKids
Network:Syndication
Worst Episodes Summary
"Excalibur" is the worst rated episode of "ThunderCats". It scored 6/10 based on 1 votes. Directed by N/A and written by Peter Lawrence, it aired on 12/2/1985. This episode scored 0.0 points lower than the second lowest rated, "Secret of the Ice King".
