ThunderCats Season 4 Episodes

Episode 1

Return to Thundera - 1

Mon, Sep 4, 1989 30 mins

Episode 2

Return to Thundera - 2

Tue, Sep 5, 1989 30 mins

Episode 3

Return to Thundera - 3

Wed, Sep 6, 1989 30 mins

Episode 4

Return to Thundera - 4

Thu, Sep 7, 1989 30 mins

Episode 5

Return to Thundera - 5

Fri, Sep 8, 1989 30 mins

Episode 6

Leah

Mon, Sep 11, 1989 30 mins

The Ancient Spirits of Evil provide Mumm-Ra with a Mirror Wraith, which can take the form of any shape and travel through space using mirrors as portals. Meanwhile, an escape pod containing a Thundarian child is rescued by the ThundarCats.

Episode 7

Frog Man

Tue, Sep 12, 1989 30 mins

As reconstruction of the new ThunDERa continues, the ThunderKittens drill a water well, where they not only hit water but release an amphibian-like creature with green skin.

Episode 8

The Heritage

Wed, Sep 13, 1989 30 mins

Wilykat and Wilykit discover the Golden Sphere of Setti, an ancient artifact that once belonged to Mumm-Ra. The sphere magnifies his power by four, making him more powerful than the Ancient Spirits of Evil.

Episode 9

Screw Loose

Thu, Sep 14, 1989 30 mins

The tremors that previously threatens to destroy the new ThunDERa begin again when Jagara loses control of the gyroscope. The ThunderCats bring in a gyroscope specialist robot named Screw-Loose.

Episode 10

Malcar

Fri, Sep 15, 1989 30 mins

In an effort to reach a distressed Thundarian spaceship, the ThunderCats must use all of their supplies of Thundrillium to fuel the Feliner for a deep-space voyage.

Episode 11

Helpless Laughter

Mon, Sep 18, 1989 30 mins

An astronomical lineup of the five Thundarian moons causes a serious drought on the new ThunDERa. Panthro and Snarf take the ThunderTank to collect the remaining water of Dreary Canal. On the way, they are attacked and the ThunderTank crashes.

Episode 12

Cracker's Revenge

Tue, Sep 19, 1989 30 mins

Captain Cracker attacks bounty hunter Captain Bragg, who is holding the exiled Luna-Taks prisoner, and frees the Luna-Taks in order to have them help him return Third Earth to a pirate's paradise.

Episode 13

The Mossland Monster

Wed, Sep 20, 1989 30 mins

Tygra gets caught in a meteor shower while returning from Third Earth. Losing control of the Feliner, he crashes through the atmosphere into the unexplored Mosslands of New ThunDERa, where he awakens the gigantic Monster of the Mosslands.

Episode 14

Ma-Mutt's Confusion

Thu, Sep 21, 1989 30 mins

Mumm-Ra unveils his latest weapon, the Babylonian Barbarian Boiler, to destroy the ThunderCats. The Boiler emits a beam that rapidly melts anything it touches.

Episode 15

Shadowmaster

Fri, Sep 22, 1989 30 mins

A rare lunar eclipse casts an eerie pale over the new ThunDERa. The eclipse opens a portal where the exiled Shadowmaster contacts the Ancient Spirits of Evil.

Episode 16

Swan Song

Mon, Sep 25, 1989 30 mins

The ThunderCats prepare for a visit from the Ecology Inspector. The Inspector hopes to enlist the aid to the ThunderCats in capturing Two-Time, an intergalactic land poacher who has been stealing entire land masses with his geodesic vessel.

Episode 17

Touch of Amortus

Tue, Sep 26, 1989 30 mins

Amortus, an evil tentacled creature banished eons ago by the Thunderians, has returned to the new ThunDERa through Mumm-Ra's cauldron.

Episode 18

The Zaxx Factor

Wed, Sep 27, 1989 30 mins

Vultureman hijacks a space bookmobile to escape Captain Bragg's Circus Train. On board, he learns of the powerful Rosencranz Medallion that once belonged to Mumm-Ra's arch rival Zaxx.

Episode 19

Well of Doubt

Thu, Sep 28, 1989 30 mins

The ThunderCats build a Homing Beacon Tower just in time to guide a group of Thundarian refugees back to the planet.

Episode 20

The Book of Omens

Fri, Sep 29, 1989 30 mins

The ThunderCats open the Book of Omens and learn that the ancient artifacts they have gathered must be presented at four different locations at precisely five clicks before the 24th hour or the ThunderCats will be frozen in time.