The All-New, All-Different Regular Show Movie: Episode of Zack

Synopsis
While conducting a liberation mission, Zack and Zeb are attacked by Rabbid Empire and fall into a valley where they remember a common unforgettable past.

The story follows Zack and Zeb searching for Scorpio when they encounter a town whose inhabitants are being attacked by a mysterious woman. Zack and Zeb accept the task to deal with her, but Zack realizes the words she uttered resembled her brothers, sisters, cousins, half-cousins’, making him hold back, “We seek power… That alone.”

The woman’s name is Mikala Reinna. One of her arms is grotesque and consequently making the town’s people persecute her, leaving her with a desire for revenge. Mikala wishes to become a member of Rabbid Empire, reminding Zack of his own sister, brother, sister, cousin, half-sister and half-cousin even more, so he begins to want to save her from a sorrowful isolation.

Transcript

 * (This movie begins with Ezra, Zack, Rowan, Petro, Tristan and Zeb)
 * Ezra: There it is, guys. The treasure chest. How are we gonna get it?
 * Zeb: Just leave it to me.
 * (Zeb climbs up and get the treasure chest and Zeb is going down with the treasure chest)
 * Zeb: Let's find out what's inside this chest.
 * (Zeb opens the chest reveal to be a Kyber Blade)
 * Zack: What is that?
 * Zeb: It's a Kyber Blade. It's a legendary artifact weapon like the Kyber Saber.
 * Zack: Can I have it?
 * Zeb: Sure.
 * (Zeb hands Zack a Kyber Blade)
 * Zack: Cool. I'm gonna use the Kyber Blade just like Rowan use the Kyber Saber.
 * Rowan: That's right.
 * (Suddenly, Thundervirus arrives)
 * Zack: You! Thundervirus... Zeb!
 * (Thundervirus slashes Zeb and Zack)
 * (Zeb and Zack are falling down the cliff)
 * Ezra: Zeb!! Zack!!
 * Thundervirus: That should hold them off.
 * (Thundervirus walks away)
 * (At Zack's Nightmare)
 * Zack: Why did you betray us?! Lizzy!! Ted!! Alex!! Ally!! Lexi!!
 * Lizzy Purtle: We seek power.
 * Ted Purtle: That's all.
 * (Zack woke up)
 * Zeb: Zack, you're okay?
 * Zack: Yeah. And then, we were knocked into this valley... ...by Thundervirus.
 * Zeb: By that bastard? I am most displeased.
 * (Mikala Reinna arrives)
 * Mikala Reinna: Hi, Zack.
 * Zack: Mikala. Good to see you again.
 * Zeb: Look. Those flowers... they're yours...
 * Mikala Reinna: Yeah.
 * (Title screen: The All-New, All-Different Regular Show Movie: Episode of Zack)
 * (Half a year ago)
 * Kanan: It's this about Lizzy, Ted, Alex, Ally and Lexi?
 * Zack: They are on Earth. They are currently Rabbid Empire's top assassin. They take out rebels.
 * Thel: Zack. What will you do if you find Lizzy, Ted, Alex, Ally and Lexi?
 * Zack: Of course... with a little help from Zeb.
 * Zeb: What a fine morning. Want to eat? Hey! Wait for me! You call yourself a forerunner human?! I'm revitalized! Come on!
 * Zack: Okay.
 * Zeb: Was it good?
 * Zack: Yeah.
 * Zeb: What's wrong? Cold? Then let's get your body moving! Come at me! You're going to ignore me?! What?! That's meat! I can't eat meat! Also, that's beef! Diligence is important! Got it? Hey! Listen when someone's talking. Hey! This is heavy! Hey. Zack. There's a way along the left path apparently. How about taking out the Empire and gather some info on Lizzy, Ted, Alex, Ally and Lex? Hey!
 * Zack: Sorry, Zeb. I was thinking about something... ... I don't ignore you.
 * Zeb: Right.

Trivia

 * It is reveal that Zack is from the Scorpion System.