Periodic Mayhem

, alternately known as Disney's , is an American animated action-adventure-science fiction television series, being created by TBD. It is produced by Disney Television Animation and it airs on Disney Channel since August 25th, 2019.

Synopsis
After a lab experiment gone wrong, a group of students accidentally bring the periodic table’s elements to life as some of them cause chaos while others are somewhat more heroic as the students have to work with the elements to stop the creatures.

Main

 * Henry Owens (voiced by Jason Marsden) - a courageous yet ditzy teenager who is regarded as a "man of action" by his friends, although he also ends up leaping without looking when dealing with rogue elements.
 * Hunter Bradford (voiced by Yuri Lowenthal) - an introverted teenager who isn't fond of hanging with people and is forced to join Henry's lab experiment group and is soon forced to help deal with the Periodic Beasts.
 * Emily Herrings (voiced by Natalie Lander) - a sweet and caring teenager who loves making friends and cute animals as she befriends Henry as she enjoys adventure as well, enjoying hunting after the Periodic Beasts.
 * Kristina Wallace (voiced by Jessica DiCicco) - a seemingly snobby popular student who loves social media and texting as it is revealed she just needs actual friends as she starts to grow a shy crush on Hunter.
 * Hydrogen (voiced by Stephanie Lemelin) - a gaseous elemental being who can change personality on a whim, either being goofy and energetic, extremely aggressive or gothic and cynical as she can also fight differently on which personality she has.
 * Iron (voiced by Cristina Milizia) - an overprotective yet naïve metal elemental being who is devoted to defending her friends, although she doesn't know how human society works.
 * Gold (voiced by Jack DeSena) - a flamboyant yet cocky metal elemental being who believes himself to be the most valuable of the elements, although he can come through for his friends.
 * Oxygen (voiced by Josh Keaton) - a carefree and slightly slacker gaseous elemental being who likes to chill and hang, although he likes to help his friends as well.

Supporting

 * Ms. Penelope Parks (voiced by Nika Futterman) - a grouchy yet friendly science teacher who occasionally gets targeted by periodic beasts as she ends up reluctantly helping Henry and his friends at times.
 * Daniel "Danny" Slouch (voiced by Max Mittelman) - a weird teenager who is extremely into the periodic table as he is occasionally visited by Henry's crew for advice on taking care of the periodic beasts although he occasionally does weird things.
 * TBD

Antagonists

 * Uranium (voiced by Robbie Daymond) - a terrifying and megalomaniacal element who has grown a pure hatred of humanity as he absolutely wants to destroy humanity, believing that elements should rule over.
 * Sean Gravleman (voiced by Patrick Seitz) - a slightly sociopathic agent of a government agency known as the PCP (Paranormal Capture Platoon) as he learns of the elemental beings and wants to kidnap them to study them.
 * Ginerva "Ginny" Anglewood (voiced by TBD) - an insane operative of the PCP who is madly loyal to and in love with Sean Gravleman as she is sent to study the Periodic creatures and possibly capture them as she takes multiple fake jobs.
 * Ruby Abell (voiced by TBD) - a seemingly friendly and ditzy teenage girl who learned of the elements and helped the four teams out with taking down the elements, but turns out to be an egotistical and crazy girl who just wants to keep the elements for herself as she believes they will somehow grant her powers.
 * Helium (voiced by [psycho hot]) - a mischievous yet villainous clown-like gaseous elemental being who has the ability to enslave people with her gas as she wants to form a circus that spreads all over the world, with hypnotized participants and guests to give her their money and valuables.
 * Lead (voiced by TBD) - an extremely muscular and macho elemental being who claims himself to be the strongest around as he looks for strong opponents to fight, soon gaining a rivalry against Iron, not believing that he could lose to a girl.
 * Mercury (voiced by TBD) - a goofy yet menacing element who finds some sort of joy in causing chaos and mayhem as her gas can actually poison people.

Episodes
See List of Periodic Mayhem episodes.