For the pickle voices, actors gargled water as they read their lines.
Terry Crews replaced Mr. T as the voice of Earl Devereaux from Piovono polpette (2009). Mr. T was asked to voice the character for the sequel, but declined. Many of Devereaux's body and facial expressions in the sequel were based on Crews' on-screen presence.
The animators also added an "Easter Egg" hidden fruit, which can be seen several times in the movie. Its name is Sasquash, and is shaped like a hairy gourd.
Most of the features on Chester V's sentinels of safety are designs stolen from Flint Lockwood's inventions he made while working at Live Corp.
Sam Sparks' outfit when she returns to Swallow Falls is the same as Laura Dern's character in Jurassic Park (1993).