Undertale: On The Surface

Undertale: On the Surface is an upcoming 2025 comedy cartoon series. It is a Cartoon Network show based on the 2015 game Undertale, made by Toby Fox. The original game consisted almost entirely of pixel art, but this a computer-animated 2D show. Undertale: On the Surface consists of the cast of the original game pursuing their dreams in the world of the humans. It received high ratings on Rotten Tomatoes and iMDb, getting 91% and 4.8 stars respectively. The first episode aired on September 15, 2025, as a celebration of the game's 10th anniversary. The show ran for 9 seasons until it got cancelled.
==Summary==
This series takes place after the True Pacifist Route of Undertale. Asriel has recently destroyed the Barrier and the monsters are now free. They have moved into a town of humans next to Mount Ebott. The monsters go off getting themselves into the strangest situations after befriending the humans. (Oh yeah, and Frisk is a male in this series.)
== Episodes ==
=== Season 1 ===
Episode Title 	Summary 	Number
Pilot 	The monsters escape the Underground and try to convince the humans that they aren't enemies anymore. 	1
Grillpocalypse 	It hasn't even been a day and Grillby's is already shutting down, so Sans tries to keep them in business.	2
Determination Reanimation	Alphys successfully brings someone back from the dead, but it goes on a violent rampage. 	3
Luna-tics 	It's the night of a blood moon, and Toriel sneaks into a moon observatory to see it. 	4
Professor Papyrus 	Papyrus learns how to improve his puzzles but takes it overboard and almost destroys everything. 	5
A Star is Born 	Mettaton begins his TV career on the surface, but no one is paying attention to him. 	6
Fishy Fleet 	Undyne hears about an attack from another town, so she recruits people to fight against them. 	7
Mushroom Madness 	When Asgore's garden is taken over by mushrooms, he tries his best to get rid of them all. 	8
2 Fool 4 Skool 	On Frisk's first day of school, Toriel comes to school with him and acts embarassing. 	9
Sapyrus and Pans 	Sans tries to be productive, Papyrus tries to be lazy, and they both decide that they hate it. 	10
Lift Your Spirits 	Napstablook literally puts his heart and soul into his music, which leads to chaos across the town. 	11
Anime is Real 	Alphys gets invited to be a guest star on her favorite anime. 	12
Undercover Undyne 	Undyne goes undercover to investigate a crime scene but accidentally makes herself a suspect. 	13
Temmie Village 	The Temmies attempt at building a village but keep getting sidetracked because... Temmie. 	14
Hip to be Square 	Mettaton reverts back to his box form on live TV and is unable to turn back. 	15
=== Season 2 ===
Episode Title 	Summary 	Number
Hard Roe to Hoe 	After getting a mysterious letter, Undyne meets her long lost family for the first time in years.	16
Dreem and Dreemurr 	Asgore competes against Toriel in their own mini version of the Olympics. 	17
Spidopolis 	Muffet builds a city after she earns enough money, but she becomes power-hungry. 	18
Sans-Up Comedy 	Sans becomes a stand-up comedian, but the jokes he has aren't very HUMERUS. 	19
Costume Party 	Alphys wants to join a costume party, so she steals Papyrus's favorite suit. 	20
Puppysitting 	Frisk is tasked to puppysit the Annoying Dog while everyone else is gone. 	21
Time Flies 	The gang discovers time travel, but they alter the past and have to stop themselves. 	22
Cooking With a Killer Robot	Mettaton hosts a cooking competition and some of the humans compete. 	23
Tragic Magic 	Undyne puts magic into her spear but uses it too much and warps reality. 	24
Dungeons and Dorks 	Papyrus joins a larping club until he disassociates from his real life. 	25
Beach Trip 	Onionsan gets stuck in the lake, so everyone goes to try and save them. 	26
Drawn to Life 	All of the sketches in Alphys's sketchbook come to life after an accident with human magic. 	27
Pie Loser Palooza 	Toriel messes up on baking a pie and gets ill eating it, and can't see her friends. 	28
Bone to Pick 	Sans gets extremely angry at his friend and uses his bone power against him. 	29
The Royal We 	Asgore figures out how to clone himself after stumbling into a secret lab. 	30
=== Season 3 ===
Episode Title 	Summary 	Number
Dummy! 	Mad Dummy struggles with trying to fuse his ghost with his body, so Frisk helps. 	31
It's a Nerd, It's a Plane	Alphys build jetpacks for all of her friends and wants to learn how to fly. 	32
Fine Motor Skills 	When Mettaton's arms fall off, the gang tries to put them back on before his show. 	33
Mew Mew Kissy Cutie 	Mew Mew faces off against Dr. Meaniehead through the power of friendship! 	34
American Psychic 	Sans gets his fortune told by a fortune teller and tries his best not to follow it. 	35
Date Night 	Undyne takes Alphys on their first date but almost ruin everyone else's dates. 	36
A Shock and a Hard Place 	Asgore installs way too many lightning rods and his house becomes a fire hazard. 	37
Underground Return 	Frisk goes on a field trip to the underground and Papyrus is his companion. 	38
World's Greatest Mom 	When Toriel starts going to parenting class, she becomes overprotective. 	39
To Dye For 	Sans tries to dye his undershirt but it leaks into his bones and he has to remove it.	40
Gettin' Frisky 	It's Frisk's birthday and his friends take him to his old house to celebrate. 	41
Control Freak 	Papyrus programs a game and traps his friends inside of it by mistake. 	42
Alphys's Requiem 	Alphys tries to repair her broken relationship with an old friend from school. 	43
== Characters ==
Frisk - voiced by Asher Blinkoff
Toriel - voiced by Cate Blanchett
Sans - voiced by Danny Devito
Papyrus - voiced by Tom Kenny
Undyne - voiced by Olivia Olson
Alphys - voiced by Tara Strong
Mettaton - voiced by Benedict Cumberbatch
Asgore - voiced by John DiMaggio
Category:TV Series
Category:TV Shows
Category:TV series based on video games
Category:TV Shows based on video games
Category:Shows
Category:Undertale
Category:Deltarune
Category:Comedy
Category:Comedy-Drama
Category:Comedy-Adventure
Category:Drama
Category:Action
Category:TV-PG
Category:Action-Adventure
Category:Fantasy-Adventure
Category:Fantasy-Comedy
Category:Fantasy
Category:Sci-Fi
Category:Science fiction
Category:Toby Fox's Undertale