Dragon Ball Z - Season 4

First aired: 9/18/1991 32 episodes

After peace returns to Earth with the defeat of Freeza, a new danger approaches. A mysterious young man called Trunks appears from the future and warns Goku and the Z Warriors about the imminent arrival of two powerful androids created by the scientist Dr. Gero, a former member of the Red Ribbon Force who seeks revenge against Goku. The androids called 17 and 18 wiped out almost all of humanity in Trunks' future.

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Episodes

1. The Heavens Tremble

Aired: 9/18/1991

Gohan's going fishing, Krillin's found a girlfriend, and it looks as though peace has once again returned to the Earth. But a terrible evil lurks beneath this tranquil surface: Garlic Junior has escaped from the Dead Zone!

2. Black Fog of Terror

Aired: 9/25/1991

With the help of the Spice Boys, Garlic Junior releases the Black Water Mist upon an unsuspecting world. As the dreaded fog spreads, so does Garlic Junior's control over the Earth!

3. Battle in Kami's Lookout

Aired: 10/2/1991

As Piccolo attempts to hold off the Spice Boys and the infected Z Fighters, Gohan and Krillin race toward Kami’s Lookout to retrieve the one thing capable of reversing the effects of the Black Water Mist: the Sacred Water!

4. Fight With Piccolo

Aired: 10/9/1991

With Piccolo infected by the Black Water Mist and Kami trapped in a glass bottle, Garlic Jr. allows his Spice Boys to “have sport” with Earth’s heroic defenders. Will Spice’s energy blast finish off Krillin for good?

5. Call for Restoration

Aired: 10/16/1991

Krillin, after suffering a Spice Boys beating, attempts to free Kami and Mr. Popo, but he soon falls prey to the Black Water Mist. Gohan is the only hero left who can save the Earth, but can he do it with his two best friends against him?

6. Suicidal Course

Aired: 10/23/1991

Piccolo and Krillin spring their trap, revealing that they have pretended to be infected by the Black Water Mist! Enraged, Garlic Jr. transforms using the energy of the Makyo Star and warns that the Sacred Water’s effectiveness will soon expire.

7. Extreme Measures

Aired: 10/30/1991

Garlic Junior and his Spice Boys harness the evil power of the Makyo Star to become stronger than ever, but Gohan, Krillin, and Piccolo are ready to battle this new threat!

8. The World Awakens

Aired: 11/6/1991

In a last ditch effort to save his friends, Gohan launches an all out assault on Garlic Junior! Meanwhile, deep within the Lookout, Kami and Mr. Popo are under siege by the Former Guardians!

9. Brief Chance for Victory

Aired: 11/13/1991

Blinded by rage and desperate to destroy his enemies, Garlic Junior uses his power to open up the Dead Zone! With Piccolo and Krillin out of commission, Gohan is the only one left who can stop him!

10. Krillin's Proposal

Aired: 11/20/1991

Even though peace has been restored on Earth, Krillin faces his toughest challenge ever: surviving a shopping trip with Maron! And it looks like she’s picking out a wedding dress! Are Krillin and Maron planning to tie the knot?

11. Frieza's Counterattack

Aired: 11/27/1991

Gohan’s cracking the books, and his new tutor is cracking the whip! But study time is almost over, for a powerful evil is racing toward the Earth! Gohan’s worst fears have come to life: Frieza has survived!

12. The Mysterious Youth

Aired: 12/4/1991

The Earth faces its darkest hour as Frieza and his father King Cold rapidly approach! Without Goku to assist them, the Z-Fighters prepare to launch a desperate attack against the most powerful evil the universe has ever known!

13. Another Super Saiyan?

Aired: 12/11/1991

Frieza and King Cold descend upon the Earth, but a mysterious warrior has come to thwart their diabolical plot for revenge. Does this brash young hero have what it takes to stand up to these twin titans of evil?

14. Welcome Back Goku

Aired: 12/18/1991

After defeating Frieza and King Cold, the mysterious stranger announces the exact time and place of Goku's arrival on Earth. Can this young Super-Saiyan really predict the future?! Gohan and the others are determined to find out!

15. Mystery Revealed

Aired: 1/15/1992

After testing Goku in combat, the mysterious stranger reveals his true identity! What does his timely arrival mean?! In a startling conversation with Goku, this powerful hero from the future tells all!

16. Goku's Special Technique

Aired: 1/22/1992

The future has been written - or has it? That’s what Goku and the rest of the Z-Fighters must decide as they hear Trunks’ ominous warning. The Androids are coming! And they just might be bringing the end of the world with them!

17. Z Warriors Prepare

Aired: 1/29/1992

Gohan learns some new tricks, Vegeta pushes himself to the breaking point, and Yamcha struggles just to keep up as everyone prepares to face the looming Android menace! But will all their preparations be enough?

18. Goku's Ordeal

Aired: 2/5/1992

ChiChi wants a car! Goku and Piccolo take a day off from training to enroll in driving school. These two mighty warriors may be the Earth’s only chance for survival, but what are the chances they’ll learn how to parallel park?

19. The Androids Appear

Aired: 2/12/1992

Three years have come and gone, and the day of reckoning has finally arrived! The Androids are here, and they’re wreaking havoc on an unsuspecting city! Goku and his friends must now put their training to the test!

20. A Handy Trick

Aired: 2/19/1992

Yamcha is held at the mercy of the ruthless Android 20, and Goku and the others must race to help their friend. Believing their power to be far superior, the Androids tempt Goku’s rage by leveling half of the city!

21. Double Trouble for Goku

Aired: 2/26/1992

The battle with the Androids begins as Goku launches an all out assault against Android 19. The Super Saiyan seems to have the fight under control, but something is about to go horribly wrong!

22. Upgrade to Super Saiyan

Aired: 3/4/1992

Attacked from within by a crippling virus, Goku is helpless against the maniacal Android 19. But just when it looks like the end for Goku, Vegeta appears on the scene! And he’s got a few big surprises in store for the Androids!

23. The Secret of Dr. Gero

Aired: 3/11/1992

In his first fight as a Super Saiyan, Vegeta takes control of the battlefield and defeats Android 19 in convincing fashion! Unwilling to share 19’s fate, Android 20 runs for cover in the mountains!

24. More Androids?!

Aired: 3/18/1992

Vegeta, Piccolo, and Gohan lead an exhaustive search through the mountains for Android 20. But the hunters are also the hunted! Android 20 lurks in the shadows, ready to strike, and it looks like Piccolo is his first target!

25. Follow Dr. Gero

Aired: 3/25/1992

Our heroes make a startling discovery: Android 20 is none other than Dr. Gero himself! Before they can act on this new knowledge, the diabolical doctor flees to his secret laboratory, where he intends to awaken more killer androids!

26. Nightmare Comes True

Aired: 4/1/1992

The race is on, as the Z-Fighters search frantically for Dr. Gero’s hidden laboratory! But rather than stop the androids before they’re activated, Vegeta wants a challenge! Despite Trunks’ warning, he chooses to fight the androids alone

27. Goku's Assassin

Aired: 4/8/1992

Dr. Gero escapes to his mountain hideout and brings his killer androids to life. Without the help of Goku, all hope seems lost. Dr. Gero appears one step closer to ultimate vengeance, but his evil creations have a vendetta of their own!

28. Deadly Beauty

Aired: 4/15/1992

Vegeta and Android 18 have a showdown on the highway. Trunks and the others are there to help, but the Saiyan prince insists on fighting his opponent man-to-android! Will Vegeta’s overconfidence be his undoing?

29. No Match for the Androids

Aired: 4/22/1992

In an earthshaking battle, the beautiful Android 18 brings Vegeta to his knees. But before she can deliver the final blow, Trunks steps in to help. Soon an all out war between good and evil begins, and the androids have the upper hand.

30. Last Ditch Effort

Aired: 4/29/1992

Vegeta, Trunks, Tien, and Piccolo realize a grim truth: unless they can increase their powers quickly, they’ll have no chance against the androids. In a drastic move, Piccolo flies to Kami’s Lookout and makes a most unexpected proposal!

31. Closing In

Aired: 5/6/1992

The androids hit the road in pursuit of Goku, but they’re delayed by some hyperactive hoodlums. Krillin and Trunks race to move Goku to a safer hiding place, and Kami wrestles with Piccolo’s difficult offer.

32. Unwelcome Discovery

Aired: 5/13/1992

The Z-fighters retreat to Master Roshi’s house to plan their next move. Meanwhile, Bulma makes a startling discovery: the wreckage of a second time capsule! Where did it come from, and more importantly, who was in it?