High Sausage School Party

High Sausage School Party is an 2023 American direct-to-video adult computer-animated comedy-drama adventure film. It serves as a bridge between the sequel and the third film and the bridge between High Schoolers and its sequel. It is a crossover between Sausage Party and High Schoolers.

Plot
D.J. and his gang gets sent to the Sausage Party universe, they team up with Frank, Brenda, Toilet Paper, Splash and friends to exit, but when the humans they didn't even kill appear to eat food, the High Schoolers must protect the food even though they are humans.

Sausage Party

 * Jason Bateman as Toilet Paper, one of the two main protagonists.
 * Seth Rogen as Frank
 * Kristen Wiig as Brenda
 * Danny McBride as Choco
 * Edward Norton as Sammy Bagel Jr
 * Jonah Hill as Splash
 * Josh Gad as an gummy worm
 * Scott Underwood as Gum

High Schoolers

 * Selena Gomez as Haley Flanagan, one of the two main protagonists.
 * Anne Hathaway as Lagan Fuller
 * Seth Rogen as David Jones 'D.J' Myrick
 * Kristen Wiig as Ashleigh Jefferys; Haley Grace Malone
 * Kate Winslet as Morgan Bendall; Heather Adams
 * Nicole Oliver as Elisha Preston
 * Grey DeLisle as Audrianna Flanagan

Transcript
High Sausage School Party/Transcript

Songs

 * Brand New Day by The Sausage Party Cast

Trivia

 * It is Seth Rogen's first crossover film.
 * It is also his first ever direct to video film.