1The Greatest
Lord Hater sets out to control and win everything in the universe, including conquering The Binglebops and their planet, but his plans are soon diverted when he finds himself accepting Wander's series of challenges to prove once and for all that he truly is the greatest in the entire galaxy.
2The Egg
Wander and Sylvia try to soften the heart of a ferocious flying dragon by reuniting it with its lost egg, but it's Sylvia who ends up needing a lesson or two on being gentle and nurturing.
3The Picnic
Wander discovers the perfect spot for his celestial picnic - right next to Lord Hater's epic battlefield, making it extremely difficult for Hater to focus on his battle against archenemy Emperor Awesome for ultimate cosmic power.
4The Fugitives
Wander and Sylvia are trying to escape from Lord Hater's minions and get off the planet but Sylvia's plans can't overcome Wander's need to help others.
5The Good Deed
Wander's usual good deeds at helping anyone in distress suddenly become short-lived when he begins helping for the wrong reason. He and Sylvia work hard to try and fix Wander's mistake.
6The Prisoner
Fed up with Wander's constant botherings, Lord Hater sends Peepers to trick Wander into entering the ship so he can trap him and throw him in the ship's prison. But when Wander starts having a lot of fun, it makes the task extremely difficult for Peepers to succeed.
7The Pet
When Wander and Sylvia board an abandoned spaceship, they encounter a horrifying alien monster that is set on eating them, who Wander names, Captain Tim. While Sylvia sees the wild beast as a threat, Wander takes a liking to the ferocious little monster and tries to train it to be his pet.
8The Bad Guy
Wander and Sylvia run out of orbal juice and crash land on Doomstone, a planet inhabbited by bad guys. Sylvia has Wander act like a bad guy like the others so she can get the juice, but Wander's bad guy attitude winds up going to his head.
9The Troll
While visiting Baaaaa-halla, Wander and Sylvia encounter a mean and greedy troll who's been trying to steal the food for the big feast Prince Cashmere and his goat army are holding. Sylvia is determined to help the goats fight the creature, but Wander doesn't help the right way and sits out.
10The Box
When Wander and Sylvia have to deliver a box to "Glen", Wander has to resist opening the box to find out what's inside even if it drives him mad.
11The Hat
When Wander gets lost on a dangerous planet, Sylvia must learn to trust Wander's magical hat and its mysterious ways, in order to find her buddy before it's too late.
12The Little Guy
Westley, the smallest member of Lord Hater's Watchdog army, accidentally gets left behind during a search for Wander and Sylvia. Westley has Wander and Sylvia as his prisoners so he can return to Lord Hater, but Wander seeks to make him a new friend.
13The Bounty
Due to Commander Peepers' inability to capture Wander and Sylvia, Lord Hater hires three bounty hunters to capture them. This doesn't go well with Commander Peepers who sets out to thwart the bounty hunters and to apprehend Wander and Sylvia for his own glory.
14The Ball
A spa planet's inhabitants are in need of help as each of the planets they move to is destroyed by a space puppy.
15The Hero
With the help of Sir Brad Starlight, Wander sets out to fulfill his fairytale dreams of rescuing a princess.
16The Birthday Boy
During Lord Hater's birthday party, a captured Wander tries to make his birthday a happy one although Hater merely wants to see Wander grovel in fear.
17The Nice Guy
When getting a soda for Sylvia at a hot reststop, Wander finds himself caught between helping others and helping Sylvia.
18The Timebomb
Competing in a galactic race, Wander finds out why Sylvia is called "The Timebomb" by some and works to calm her down.
19The Fancy Party
Lord Hater competes for the affections of an alien queen in order to inherit her army and take over the universe.
20The Tourist
Wander tries to outdo an elder tourist who has seen more of the universe than he has.
21The Day
Sylvia wakes up imprisoned on Lord Hater's ship with a sleeping Wander and must fight to escape.
22The Night
Wander must prevent a sleeping Sylvia from waking up during the night.
23The Lonely Planet
A lonely planet named Janet tries to keep Wander to herself.
24The Brainstorm
Lord Hater and Commander Peepers brainstorm plans to capture Wander and Sylvia.
25The Party Animal
Sylvia tries to stop Emperor Awesome from destroying a planet with his partying and partyloving Wander from joining in the festivities.
26The Toddler
Wander and Sylvia try to return a giant lost baby to its parents, which is complicated by their different parenting methods.
27The Epic Quest of Unfathomable Difficulty!!!
Wander forces Sylvia to go on an epic quest in order to return a lost sock to its owner.
28The Void
When Wander and Sylvia enter a white void where anything is possible through imagination, Sylvia worries Wander may never want to leave.
29The Funk
Lord Hater turns to bullying the universe just to make himself feel better.
30The Enemies
Lord Hater and Sir Brad Starlight team up to fight Wander.
31The Liar
Wander guides a family of alien birds through the perils of an active volcano.
32The Stray
Wander goes out of his way to help a cute little kitten, Little Bits, only to find that she is secretly a bounty hunter luring him into a trap.
33The Date
Wander convinces Sylvia to go on a date with Lord Hater, after he gets stood up.
34The Buddies
Lord Hater gets trapped on his own prison planet and must play the role of Wander's best buddy to survive.
35The Gift
Wander is handing out gifts to every new friend he’s made and sneaks onto Lord Hater’s ship to give him and the Watchdogs gifts.
36The Gift II: The Giftening
When gifts strangely start appearing on Lord Hater's ship, turning their recipients into zombies, Lord Hater and Commander Peepers must escape from whoever is giving the gifts.
37The Big Job
Sylvia is recruited by a rebel commando team to help steal Lord Hater's latest secret weapon.
38The Helper
One strange day, Wander is unable to find anybody who actually needs his help.
39The Rider
When Sylvia's old partner Rider (voiced by Will Arnett) shows up, Wander wonders if the roguish Rider makes a better teammate for Sylvia than he does.