AceShowbiz - ABC has released the official trailer for season 4 of "Abbott Elementary:, and it promises to be another wild and heartwarming ride for the dedicated teachers of the fictional Philadelphia public school.

In the trailer, Principal Ava Coleman (Janelle James) mocks her staff's requests for basic necessities. The teachers, led by Janine Teagues (Quinta Brunson), Gregory Eddie (Tyler James Williams) and Barbara Howard (Sheryl Lee Ralph), embark on their usual chaotic school days, handling everything from school dances to HR visits.

Despite their efforts to improve the school, they face unexpected challenges. Janine attempts to play with a class pet guinea pig only to get bitten, while Barbara finds a more docile companion in a fish. Meanwhile, a ringworm outbreak sends the teachers into a panic, with Principal Coleman donning a full-on hazmat suit.

However, the teachers remain optimistic despite the setbacks. As Janine says in a confessional, "We love what we do - even if we don't love the school district's less-than-stellar attitude toward educating children."

Season 4 also brings new threats to "Abbott Elementary", including changes in the neighborhood and the evolution of the characters' relationships. Janine and Gregory's kiss in the finale has changed their dynamic, and viewers will get to know Jacob's family and witness Barbara's journey to adapt to a changing world.

"Abbott Elementary" season 4 premieres on Wednesday, October 9 at 9:30 P.M. on ABC. The show is also available to stream on Hulu.