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Season guide

The Grim Adventures of Billy and Mandy: Season 2

26 episodes Premiered Jun 13, 2003 Updated Sep 27, 2026
Previously on The Grim Adventures of Billy and Mandy

Season 2 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of The Grim Adventures of Billy and Mandy Season 1.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 2 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 2 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 2: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

15%
85%
Mytharc (4): Crucial lore & season climaxes
Core (22): Character development & subplots
Side Quest (0): Standalone / filler
S2·E1 Mytharc

Toadblatt's School of Sorcery

Jun 13, 2003

Grim gets Billy and Mandy into Toadblatt’s Summer School of Sorcery! They join Nigel Planter’s infamous Weaselthorpe House to compete against Gunderstank House.

S2·E2 Core

Educating Grim

Jun 13, 2003

Mandy’s arch nemesis, Mindy, befriends Grim. But is Mindy all that she seems?

S2·E3 Core

It's Hokey Mon!

Jun 13, 2003

Grim brings Billy and Irwin’s monster cards to life! Chaos and hilarity ensue.

S2·E5 Core

Brown Evil

Jun 20, 2003

Billy, Mandy and Grim become trapped in their house by brownie-loving zombies! It’s up to Hoss Delgado to lend a hand!

S2·E6 Mytharc

Brown Evil, Part 2

Jun 20, 2003

Billy, Mandy and Grim become trapped in their house by brownie-loving zombies! It’s up to Hoss Delgado to lend a hand!

S2·E7 Core

Mandy the Merciless

Jun 27, 2003

In a future time, in a future place, Mandy rules the world. But not everyone is happy about it.

S2·E8 Core

Creating Chaos

Jun 27, 2003

Eris returns! And this time, she’s enlisting Billy’s help to spread chaos throughout the world!

S2·E9 Core

The Really Odd Couple

Jun 27, 2003 · 22 min

Hilarity and antics ensue when America’s favorite precocious tweenagers are forced to share the same bedroom!

S2·E10 Core

Who Killed Who?

Jul 4, 2003

Mandy visits the old haunted house down the street. No one has emerged from that house in years. Will Mandy make it out alive?

S2·E11 Core

Tween Wolf

Jul 4, 2003 · 22 min

Irwin turns into a werewolf! Billy enters him in the dog show.

S2·E12 Core

Grim in Love

Jul 11, 2003

Grim falls in love with a goth girl. But what will happen when she discovers Grim is not just a thin pasty guy dressed in black?

S2·E13 Core

Crushed!

Jul 11, 2003

Mandy is horrified to discover she’s developing a crush on a boy. She consults with Grim to help her get over it.

S2·E14 Core

Love Is Evol Spelled Backwards

Nov 7, 2003

Nergal attempts to woo Billy’s aunt. Can Billy stop Nergal from sweeping his aunt off her feet?

S2·E15 Core

The Crawling Niceness

Jul 18, 2003 · 22 min

Billy hatches a giant, talking spider from an egg in Grim’s secret trunk. Despite the spider’s overwhelming fondness for Billy, Billy hates all bugs and wants it dead.

S2·E16 Core

Smarten Up!

Jul 18, 2003

To help Billy pass a test, Grim gives Billy a bookworm to eat to smarten up. Unfortunately, the cat gets to the bookworm first.

S2·E17 Core

The Grim Show

Jul 18, 2003

While trying to stop his favorite show from being cancelled, Grim inadvertently becomes its new host…

S2·E18 Core

Son of Nergal

Jul 25, 2003

Billy and Mandy go to Winter Camp, and must contend with snowy weather, a freezing cabin, and the mysterious Nergal Jr!

S2·E19 Core

Sister Grim

Jul 25, 2003

Grim is mistaken for “Sister Big Mama,” and gets adopted by a convent of loving, bell-ringing nuns. It’s up to Billy and Mandy to set them straight.

S2·E20 Core

Go Kart 3000!

Jul 25, 2003

Grim and the kids enter the annual Endsville GoCart Competition!

S2·E21 Core

Terror of the Black Knight

Aug 1, 2003

Billy tries to show off at the Rennaissance Festival in a suit of cursed knight’s armor conjured by Grim!

S2·E22 Core

Battle of the Bands

Aug 1, 2003

Grim becomes the lead singer of a goth metal band, “Purple Filth.” Billy is jealous, and recruits his dad to teach him how to compete in the “Battle of the Bands” competition.

S2·E23 Core

The Halls of Time

Aug 1, 2003

Grim takes Billy and Mandy on a field trip to the Halls of Time, where the past, present, and future are monitored.

S2·E24 Core

Grim for a Day

Aug 15, 2003

Billy and Grim trade places for a day to see what it’s like in the other one’s shoes.

S2·E25 Mytharc

Chicken Ball Z

Aug 15, 2003

With the help of a mysterious chicken ball, Mandy enters the local karate championship and takes on all comers. Now, she’s out of control, and it’s up to Billy to stop her!

S2·E26 Mytharc

Billy and Mandy's Jacked Up Halloween

Oct 31, 2003

Jack, a headless prankster from Grim’s past, uses Billy to steal Grim’s scythe so he can destroy Grim, and then take over the world with demons from the Netherworld.

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