Dragon Ball Z
Season 4.

1. The Heavens Tremble

Air date: 1991-09-18 · 30 min

Terrible Happenings in Heaven!! Garlic Jr. Becomes God?! Gohan's going fishing, Krillin's found a girlfriend, and it looks as though peace has once again returned to the Earth.

2. Black Fog of Terror

Air date: 1991-09-25 · 30 min

Black Mist of Terror…!! Everyone Turns Demonic 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

Air date: 1991-10-02 · 30 min

The Heavens Become the Battlefield!! Piccolo Becomes Devilish Again… As Piccolo attempts to hold off the Spice Boys and the infected Z Fighters, Gohan and Krillin race toward Kami's Lookout.

4. Fight With Piccolo

Air date: 1991-10-09 · 30 min

5. Call For Restoration

Air date: 1991-10-16 · 30 min

Restore Everyone's Minds!! The Ultra Holy Water Resting in the Temple Krillin, after suffering a Spice Boys beating, attempts to free Kami and Mr. Popo, but he soon falls prey to the Black Water Mist.

6. Suicidal Course

Air date: 1991-10-23 · 30 min

It Can't Wait Until Morning!! Kami-sama Decides on a Suicidal Course of Action Piccolo and Krillin spring their trap, revealing that they have pretended to be infected by the Black Water Mist!

7. Extreme Measures

Air date: 1991-10-30 · 30 min

A Battle of Extreme Measures!! Kami-sama Breaks the Covenant 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.

8. The World Awakens

Air date: 1991-11-06 · 30 min

The Ultra Holy Water Worked!! The World Awakens From its Nightmare In a last ditch effort to save his friends, Gohan launches an all out assault.

9. Brief Chance for Victory

Air date: 1991-11-13 · 30 min

Gohan's Brief Chance for Victory!! Destroy Planet Makyō… Blinded by rage and desperate to destroy his enemies, Garlic Junior uses his power to open up the Dead Zone!

10. Krillin's Proposal

Air date: 1991-11-20 · 30 min

You're My Guy… Kuririn — The 101st Proposal Krillin faces his toughest challenge ever: surviving a shopping trip with Maron! And it looks like she's picking out a wedding dress!

11. Frieza's Counterattack

Air date: 1991-11-27 · 30 min

That's Earth, Papa… Freeza and his Father Strike Back Gohan's cracking the books, and his new tutor is cracking the whip!

12. The Mysterious Youth

Air date: 1991-12-04 · 30 min

I Will Defeat Freeza… The Mysterious Boy Awaiting Goku The Earth faces its darkest hour as Frieza and his father King Cold rapidly approach!

13. Another Super Saiyan?

Air date: 1991-12-11 · 30 min

Freeza Halved By a Single Blow!! Another Super Saiyan Frieza and King Cold descend upon the Earth, but a mysterious warrior has come to thwart their diabolical plot for revenge.

14. Welcome Back Goku

Air date: 1991-12-18 · 30 min

Heya!! It's Been a While… Son Goku Returns After defeating Frieza and King Cold, the mysterious stranger announces the exact time and place of Goku's arrival on Earth.

15. Mystery Revealed

Air date: 1992-01-15 · 30 min

My Dad is Vegeta… Confessions of the Mysterious Boy After testing Goku in combat, the mysterious stranger reveals his true identity!

16. Goku's Special Technique

Air date: 1992-01-22 · 30 min

Goku's New Finishing Technique?! Watch This, My Instantaneous Movement 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.

17. Z Warriors Prepare

Air date: 1992-01-29 · 30 min

I Will Overcome… Goku!! The King of the Saiyan Warrior Race Gohan learns some new tricks, Vegeta pushes himself to the breaking point, and Yamcha struggles just to keep up.

18. Goku's Ordeal

Air date: 1992-02-05 · 30 min

License Mastery? Goku's Newest Trial 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.

19. The Androids Appear

Air date: 1992-02-12 · 30 min

Murderers Who Leave No Trace — Which Ones Are the Artificial Humans?! 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

Air date: 1992-02-19 · 30 min

The Cold-Blooded No. 20's Hideous Atrocities!! Goku's Super Transformation of Anger Yamcha is held at the mercy of the ruthless No. 20, and Goku and the others must race to help their friend.

21. Double Trouble for Goku

Air date: 1992-02-26 · 30 min

Goku's Double-Shock!! Caught Between Illness and Adversary The battle with the Androids begins as Goku launches an all out assault against #19. The Super Saiyan seems to have the fight under control.

22. Upgrade to Super Saiyan

Air date: 1992-03-04 · 30 min

The Might of Vegeta!! The Blood of a Super Saiyan Awakens Attacked from within by a crippling virus, Goku is helpless against the maniacal #19. But just when it looks like the end for Goku, Vegeta appears on on the scene.

23. The Secret of Doctor Gero

Air date: 1992-03-11 · 30 min

No. 20's Defiant Smile… The Secret of Doctor Gero In his first fight as a Super Saiyan, Vegeta takes control of the battlefield.

24. More Androids?!

Air date: 1992-03-18 · 30 min

A Present More Terrifying Than the Future?! Trunks' Suspicions Vegeta, Piccolo, and Gohan lead an exhaustive search through the mountains for #20. But the hunters are also the hunted!

25. Follow Dr. Gero

Air date: 1992-03-25 · 30 min

26. Nightmare Comes True

Air date: 1992-04-01 · 30 min

27. Goku's Assassin

Air date: 1992-04-08 · 30 min

28. Deadly Beauty

Air date: 1992-04-15 · 30 min

29. No Match for the Androids

Air date: 1992-04-22 · 30 min

30. Last Ditch Effort

Air date: 1992-04-29 · 30 min

31. Closing In

Air date: 1992-05-06 · 30 min

32. Unwelcome Discovery

Air date: 1992-05-13 · 30 min