The Best Episodes Written By Leonard Starr

Every TV Episode Written by Leonard Starr Ranked from Best to Worst by Thousands of Voters

Episode Rankings

  1. #1 Fan Favorite
    undefined Season 1 Episode 2 - The Unholy Alliance
    8.4/10(9 votes)

    #1 - The Unholy Alliance

    S1:E2

    The Mutants, who have also reached Third Earth, encounter an old pyramid. It turns out to be the home of Mumm-Ra the Ever-Living, and they join forces to capture the Sword of Omens. Both the Mutants and Mumm-Ra attempt to attack Lion-O to possess the Sword, but miserably fail.

    Director:N/A

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  2. undefined Season 1 Episode 1 - Exodus
    8.1/10(10 votes)

    #2 - Exodus

    S1:E1

    With their home planet, Thundera, about to explode, the Thunderians flee to a distant galaxy. Before they can make the long journey the Mutants sweep in and destroy most of the fleet in an attempt to capture the Eye of Thundera. Due to the attack, the Thundercats find themselves on a distant planet. A grown-up Lion-O must save his Thundercats from the Mutants on Third Earth.

    Director:N/A

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  3. undefined Season 1 Episode 8 - The Tower of Traps
    7.8/10(4 votes)

    #3 - The Tower of Traps

    S1:E8

    Wilykit and Wilykat try to stop a band of living gargoyles from robbing a Wollo but fail to do so and trail the gargoyles to a nearby Tower. Wilykat is trying force the door open when he suddenly disappears, leaving Wilykit - who was looking for another way in - close to panic. She and Lion-O (alerted by the Sword of Omens) must now brave the Tower's potentially lethal traps in order to rescue Wilykat.

    Director:N/A

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  4. undefined Season 1 Episode 3 - Berbils
    7.4/10(7 votes)

    #4 - Berbils

    S1:E3

    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

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  5. undefined Season 1 Episode 4 - The Slaves of Castle Plun-Darr
    7.4/10(7 votes)

    #5 - The Slaves of Castle Plun-Darr

    S1:E4

    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

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  6. undefined Season 1 Episode 11 - The Ghost Warrior
    7.3/10(3 votes)

    #6 - The Ghost Warrior

    S1:E11

    Two Bolkins (sheep-like beings from Third Earth) unleash the ghost of Grune the Destroyer, a renegade Thundercat who once terrorised Third Earth and now turns his attention to the Thundercats.

    Director:N/A

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  7. undefined Season 1 Episode 14 - The Spaceship Beneath the Sands
    7.0/10(4 votes)

    #7 - The Spaceship Beneath the Sands

    S1:E14

    Tired of constantly being bested by the Thundercats, the Mutants have Mumm-Ra raise their spaceship and salvage their vehicles.

    Director:N/A

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  8. undefined Season 1 Episode 23 - The Crystal Queen
    6.0/10(1 votes)

    #8 - The Crystal Queen

    S1:E23

    The Thundercats think that Snarf is getting too old, and that he is not up to doing as much as he does. To prove them wrong, Snarf saves the Thundercats from another mess. The evil Crystal Queen, Tartara, captures the Arrietta bird, whose songs enchant the Berbils' harvests. Lion-O, upset with her selfishness, goes off to save the bird, but gets caught and put under an evil spell. Snarf, managing to slip through the crystal queens defenses, saves Lion-O and frees the Arrietta bird.

    Director:N/A

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  9. undefined Season 1 Episode 37 - Lion-O's Anointment First Day: Trial of Strength
    6.0/10(1 votes)

    #9 - Lion-O's Anointment First Day: Trial of Strength

    S1:E37

    On Lion-O's 20th birthday, he must pass a set of trials to become the true Lord of the ThunderCats. Even though he is the hereditary Lord of the ThunderCats, he must prove himself to be worthy of that title. His first test is to beat Panthro in a duel to test his strength.

    Director:N/A

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  10. undefined Season 1 Episode 42 - Lion-O's Anointment Second Day: The Trial of Speed
    6.0/10(1 votes)

    #10 - Lion-O's Anointment Second Day: The Trial of Speed

    S1:E42

    On the second day of his trials, Lion-O must race Cheetara through the dangerous lands of Third Earth. Although Cheetara is by far the fastest among the Thundercats, her speed can only last for a short time period. Lion-O takes a shorter but more dangerous route to make up for Cheetara's advantage.

    Director:N/A

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  11. undefined Season 1 Episode 46 - Lion-O's Anointment Third Day: Trial of Cunning
    6.0/10(1 votes)

    #11 - Lion-O's Anointment Third Day: Trial of Cunning

    S1:E46

    Wily Kit and Kat stand in Lion-O's way on the third day of his trials. Lion-O must beat them through the maze of infinity. Attempting to stop Lion-O and slow him down, the kids set traps in the maze. He manages however to avoid their traps. In order to beat them through the maze, Lion-O plays their own tricks on them, and tricks them into losing the race through the maze.

    Director:N/A

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  12. undefined Season 1 Episode 50 - Lion-O's Anointment Fourth Day: The Trial of Mind Power
    6.0/10(1 votes)

    #12 - Lion-O's Anointment Fourth Day: The Trial of Mind Power

    S1:E50

    Lion-O undergoes the fourth task in his Anointment Trial.

    Director:N/A

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  13. undefined Season 1 Episode 61 - Lion-O's Anointment Final Day: The Trial of Evil
    6.0/10(1 votes)

    #13 - Lion-O's Anointment Final Day: The Trial of Evil

    S1:E61

    The concluding trial in Lion-O's Anointment Trials pits him alone and weaponless against the evil Mumm-Ra.

    Director:N/A

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  14. undefined Season 2 Episode 6 - Mumm-Ra Lives (1)
    6.0/10(1 votes)

    #14 - Mumm-Ra Lives (1)

    S2:E6

    Mumm-Ra is weak and faces the threat of three new ThunderCats; he sends the Mutants to release his old enemies, the Lunatacs, imprisoned in Dark Side[29] in order to bolster the forces of evil. The ThunderCats' celebration of their victory over Mumm-Ra and the welcoming of three new ThunderCats is cut short when Snarf overhears plans at Castle Plun-darr after he chased Ma-Mutt there from the Berbil village.

    Director:N/A

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  15. undefined Season 2 Episode 7 - Mumm-Ra Lives (2)
    6.0/10(1 votes)

    #15 - Mumm-Ra Lives (2)

    S2:E7

    The Mutants succeed in releasing the Lunatacs. The ThunderCats discover their Thundrylium mine is being looted and people are being kidnapped from the villages. Lion-O & the ThunderKittens have their first run-in with a Lunatac and Bengali's skills as a blacksmith come in handy.

    Director:N/A

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  16. undefined Season 2 Episode 8 - Mumm-Ra Lives (3)
    6.0/10(1 votes)

    #16 - Mumm-Ra Lives (3)

    S2:E8

    The ThunderCats build the Tower of Omens to monitor for Sky Tomb, which will be run by the new ThunderCats. Disguised as a Berbil, Ma-Mutt spies on the ThunderCats' plans and the Lunatacs are sent to destroy the Tower. Snarfer contacts Snarf to tell his uncle that he's returning to Third Earth.

    Director:N/A

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  17. undefined Season 2 Episode 9 - Mumm-Ra Lives (4)
    6.0/10(1 votes)

    #17 - Mumm-Ra Lives (4)

    S2:E9

    Mumm-Ra's power is restored. Snarfer makes it to Third Earth, but crashes in Dark Side. The ThunderCats rush to his aid before the Lunatacs can get a hold of him.

    Director:N/A

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  18. undefined Season 2 Episode 10 - Mumm-Ra Lives (5)
    6.0/10(1 votes)

    #18 - Mumm-Ra Lives (5)

    S2:E10

    The ThunderCats look for Sky Tomb to free the slaves imprisoned inside it. Bengali must learn the importance of teamwork as Lion-O leaves him with guard duty. Lynx-O and Cheetara run reconnaissance to find out if Mumm-Ra is truly back or not.

    Director:N/A

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  19. undefined Season 2 Episode 4 - ThunderCats Ho! (4)
    6.0/10(1 votes)

    #19 - ThunderCats Ho! (4)

    S2:E4

    The Thunderians attempt to escape their prison. Lion-O arrives at Fire Rock Mountain and is confronted by Hachiman who believes Lion-O is causing the suffering of his ancestor.

    Director:N/A

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  20. undefined Season 2 Episode 5 - ThunderCats Ho! (5)
    6.0/10(1 votes)

    #20 - ThunderCats Ho! (5)

    S2:E5

    Lion-O and Hachiman are reconciled and the ThunderCats close in on rescuing the Thunderians from Fire Rock Mountain. But they'll need supernatural help if they are to pass through the Thundranium gases to reach them.

    Director:N/A

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Leonard Starr Ratings Summary

"The Unholy Alliance" is the best rated episode written by Leonard Starr. It scored 8.4/10 based on 9 votes. It was directed by N/A. It aired on 1/23/1985 and is rated 0.3 points higher than their second-best episode, "Exodus".