Back to Knight School

Back to Knight School is an American flash-animated comedy television series produced by Cartoon Network Studios, based on the feature film Knight School. The series was released on Cartoon Network on July 14, 2025, with its episodes subsequently streaming on Max on July 17. The series ended on September 5, 2025, 20 episodes, as requested by creator Xavier Shaquille, in time to start production on Knight School II.

Chelsea Kane replaces Anna Kendrick as the main character Ellenor, while Ben Schwartz and John Cleese reprise their roles as Lance and Gerald Reginald III, respectively.

Plot
After the events of Knight School, Ellenor is still attending the eponymous school and plans to ace her classes before graduation. Throughout the series, she and her friends go on various adventures and end up in mishaps either by her or natural manners.

Main

 * Ellenor (voiced by Chelsea Kane), a transfer student of Knight School and currently a Class III student who bears the difficulty of the knowledge of medieval history. She was voiced by Anna Kendrick from the preceded film.
 * Lance (voiced by Ben Schwartz), a Class V student of Knight School who has become Ellenor's boyfriend since the middle of the preceded film.
 * Professor Reginald (voiced by John Cleese), the teacher and founder of Knight School.

Supporting

 * Bill (voiced by Jerry Trainor), a Knight School student who is autistic and extroverted despite lacking in social skills.
 * Andrew (voiced by Seann William Scott), a Knight School student that is the school tattle-tale.
 * Oliver Jade (voiced by Rickey D'Shon Collins), the only African-American student in Knight School. He was voiced by Damon Wayans Jr. in the film.
 * Troy (voiced by Chris Hardwick), a Knight School student born a Christian.
 * Mike (voiced by Dave Fennoy), the school janitor. He was voiced by Cedric the Entertainer in the film.
 * Mr. Begley (voiced by Conrad Vernon), the principal of Knight School. Vernon was one of the directors on the film.
 * Darcey (voiced by AJ Michalka), Ellenor's best friend. She was voiced by Avril Lavigne in the film.
 * Jane (voiced by Abby Elliott), Ellenor and Darcey's friend.
 * Anthony (voiced by Frank Welker), Ellenor's doting father. He was voiced by William Shatner in the film.
 * Gretchen (voiced by Jane Lynch), Ellenor's Texas-born mother.
 * Myer (voiced Jon Hamm), Lance's hedonistic father.
 * Hollie (voiced by Amy Rosoff), Lance's apathetic mother. She was voiced by Leslie Mann in the film.

Guest

 * Uncle Gary (voiced by Josh Gad), Ellenor's uncle and Gretchen's little brother.
 * Winnifred (voiced by Wendie Malick), Ellenor's aunt and Anthony's sister.
 * Jim (voiced by Pete Browngardt), Winnifred's husband.
 * Wilbur and Rose Jade (voiced by Phil LaMarr and Cree Summer), Oliver's parents.
 * Larrie Jade (voiced by Kyle Massey), Oliver's brother.
 * Samantha Jade (voiced by Raven-Symoné), Oliver's sister.
 * Kenneth and Jackie (voiced by Bill Fagerbakke and Kaitlyn Robrock), Darcey's workaholic parents.
 * Lacey (voiced by Lake Bell), Jane's overbearing single mother.
 * Alex (voiced by Kristen Wiig), Jane's crush and later "significant other".

Animation
Like the film, the animation for this series was provided by Mercury Filmworks.

Casting
As Shaquille knew that celebrity cast members are expensive, he chose many full-time voice actors and actresses for the specific cast; Chelsea Kane was cast as Ellenor, Rickey D'Shon Collins as Oliver Jade, Dave Fennoy as Mike the Janitor, AJ Michalka as Darcey, and Frank Welker as Anthony. Ben Schwartz, John Cleese, Seann William Scott, Jerry Trainor, Chris Hardwick, Conrad Vernon, Abby Elliott, and Jane Lynch reprise their roles.

Music
Brad Breeck was hired composing the score for the series; this makes it Breeck's second Cartoon Network series after We Bare Bears. Like the film itself, licensed music is present throughout the series, with Smash Mouth's "Story of My Life" used as the opening theme and "Hang On" as the end credits theme.

Home media
The entire series was released on DVD and Blu-ray on June 2, 2026 by Warner Bros. Home Entertainment. One of the bonus features includes a 7-minute first look at Knight School II.