Season 22

Season 22 of premiered on May 13, 2019, with additional episodes throughout the week. It has been in production since March 2018 or earlier and will be the third season animated by Oasis Animation.

On March 28, 2018, Jessica Kardos (voice of Sue Ellen) stated on Twitter that she and Holly Gauthier Frankel (voice of Fern) were recording new episodes of Arthur. New episodes were still being recorded as late as November.

On May 25, 2018, Bruce Dinsmore (voice of Binky, Mr. Read, and Bailey) confirmed that he had also recorded new episodes, saying: "we've got lots more coming" and "there's some good surprises." Dinsmore also revealed that there will be a guest star this season, who is "an actress that everyone would know."

The first official announcement came on June 4, 2018, when Oasis Animation confirmed that it would produce four more seasons, up to Season 25.

On November 16, 2018, Dinsmore announced that he had recorded his "very last session" for Arthur. It is unclear whether he was signaling his own departure from the series or the actual end of the show. He later clarified that he "didn’t intend to make an announcement of any kind," and that Arthur had "lots of new episodes coming."

Jane Lynch is featured as a guest star in "Mr. Ratburn and the Special Someone."