Seasons & Episodes
Season 1
42 episodes
E01
North Pole Down
Feeling down about his first Christmas without his parents, Penn wants to avoid the holidays altogether but is zapped to the North Pole to save Christmas as Santa Claus himself.
E02
Chicken or Fish? / The Old Old West
In a world where cowboys ride giant dinosaurs, Penn tries to give a washed-up sheriff a second chance at greatness.
E03
Baby-pocalypse
Penn and Boone's friendship is put to the test when they both fall for the beautiful alien princess they are assigned to protect on an alien jungle planet.
E04
I'm Super!
Penn is convinced that nothing could be cooler than being an actual superhero, but Sashi tries to show him it's the hero within us that's most important.
E05
Brainzburgerz
In a clown universe, where silliness is a hero's most powerful weapon, the tough and serious Sashi must get in touch with her silly side or jeopardize the entire mission.
E06
Chicken or Fish?
In a world where cowboys ride giant dinosaurs, Penn tries to give a washed- up sheriff a second chance at greatness.
E07
The Old Old West
E08
That Purple Girl
E09
The Fast and the Floor Rugs
E10
Chuckle City
E11
Flurgle Burgle
The team is zapped into a new world as spaceship heroes to save a damaged starship from certain destruction, but Sashi accidentally turns Penn into a weird space animal.
E12
Temple of the Porcelain God
E13
Defending the Earth
Boone finds himself on the most popular game show in the galaxy where he must compete against Rippen in an outrageous contest that will determine the fate of the Earth. Guest starring are Chris Parnell ("Saturday Night Live") as the Judge and Bruce Vilanch ("Hollywood Squares") as himself.
E14
Number One Number Two
E15
3 Big Problems
In a world where everyone is a cereal mascot and cereal is grown on farms, Penn seeks the help of an imprisoned Rippen to catch The Milk Man, a villain threatening to flood all the cereal crops with milk, turning them soggy.
E16
Cereal Criminals
E17
I'm Still Super!
Penn returns to the world of superheroes, only to discover the heroes have been turned evil by Captain Super Captain's evil twin brother, Professor Evil Professor.
E18
Balls!
E19
The Princess Most Fair
The team zaps into a musical fairy-tale land where they must sing whatever they say and their true feelings come out in song.
E20
Hail Larry
E21
It's a Colorful Life
Penn, Boone, and Sashi zap into a colorful world where they must stop Rippen from robbing the world of all its color.
E22
Larry Manor
E23
Lady Starblaster
Penn and team enlist the help of Sheriff Scaley Briggs to stop Rippen and Amber, Brigg's daughter, from rustling all the Cow-o-saurs in town.
E24
Amber
E25
Totally Into Your Body
Penn questions the importance of their mission when the team is tasked with finding Rufus an unpopular royal fish. Peter Stormare ("The Blacklist") guest stars as Rufus.
E26
Fish and Chips
E27
The Ripple Effect, Part 1
When Penn discovers that Phyllis is trying to locate the Most Dangerous World Imaginable to bring his parents back to Middleburg, he takes matters into his own hands leading to catastrophic results. Guest starring are Kumail Nanjiani ("Silicon Valley") as Cute-ling Mayor and Kate Micucci ("The Big Bang Theory") as Cute-ling General.
E28
The Ripple Effect, Part 2
E29
Amber
E30
Where Dragons Dare
Penn must overcome his jealousy of popular fellow cadet Blaze to complete his mission and finish at the top of his class at Dragon Flight School. Sean Astin ("The Lord of the Rings" trilogy) guest stars as Blaze. Acclaimed singer-songwriter Kenny Loggins sings five original songs for the episode (song lyrics by Jeff Poliquin and music by Ryan Shore).
E31
Rip-Penn
Penn accidentally drinks a potion that turns him into a Rippen-monster.
E32
Chuckle City 500
Penn, Sashi and Boon return to Chuckle City to compete in a clown-style street race that determines who will be the next Mayor. *Guest starring NASCAR driver Jeff Gordon as Rodeo Clown Announcer, writer-director Garry Marshall reprises his role as Soda Jerk.
E33
Rock and Roll
E34
Plantywood: City of Flora
In a world where everyone is a plant, Private Detective Penn tries to solve the mystery
E35
Boone's Apprentice
Boone is zapped into an animal barbarian and wizards world where he is a good wizard tasked with conjuring up a magic spell to stop Rippen. *Guest starring Blake Anderson ("Workaholics") as Boone's unfocused apprentice Hogarth.
E36
The QPC
Uncle Chuck and Aunt Rose must prove that they have a heroic side, after they break the QPC, an essential part of the machine that zaps Penn back from other worlds, before their nephew is lost forever.
E37
Shirley B. Awesome
E38
Massive Morphy Merge Mechs
When the fate of two alien planets is tied to the outcome of a sporting event, Penn finds a loophole in the game and must convince the two opposing coaches to admit their love for each other in order to save both planets.
E39
Ultrahyperball
E40
Zap One (1)
Penn's origin story is revealed in a flashback to his first day of high school when he learns his parents are part-time heroes instead of insurance salespeople.
E41
Zap One (2)
E42
Save the Worlds
Season 2
24 episodes
Thomas Middleditch
as Penn Zero
Tania Gunadi
as Sashi Kobayashi
Adam DeVine
as Boone Wiseman
Sam Levine
as Phyllis
