[s6e23] The Understanding Official

After trying various ways to decode his speech—including using a wire and asking him to spell things out—Gumball and Darwin realize they still have no idea what he is saying. Feeling awkward and not wanting to be rude, they decide to just along with everything he says. The Accidental Heist

This strategy backfires when they meet Peter's parents, the Pepperonis. Believing Gumball and Darwin finally "understand" their son, the parents invite the boys to an event. Darwin assumes it is a birthday party, but the family instead drives to City Hall. [S6E23] The Understanding

Just as the police are about to arrest the parents, Peter gives an impassioned speech in his usual gibberish. Although the officers cannot understand him, they are so moved by his "tone" that they let the parents go free. The Donut Sheriff adds that the files they destroyed are already backed up on the internet anyway. After trying various ways to decode his speech—including

The police, led by Donut Cop, engage the family in a high-speed chase. The pursuit ends at a canyon, where the Pepperonis destroy the stolen files and their car in an explosion. The Resolution Believing Gumball and Darwin finally "understand" their son,

Realizing the Pepperonis have no idea what the internet is, Gumball and Darwin are forced to have Peter explain it to them in his own unique language, starting the cycle of misunderstanding all over again. The Understanding - The Amazing World of Gumball Wiki

Principal Brown introduces a new student to Elmore Junior High named , a small, yellow creature who has been homeschooled his entire life. Because of his isolated upbringing, Peter speaks in a bizarre, incoherent string of words that no one can understand. The Polite Mistake