UPDATE: On Twitter, Phineas and Ferb co-creator Jeff “Swampy” Marsh denies that the show is over in an aggressively worded series of tweets directed toward the Animation Guild’s business rep Steve Hulett, who reported the news. We have reached out to the Animation Guild for comment.
Contrary to Marsh’s claim, I have never known the Guild to be inaccurate on a cancellation notice. They represent the artists who work on the show, and if there’s anybody who would know if a show is finished, it’s the Animation Guild. There may, in fact, be new unaired Phineas and Ferb episodes/specials already in the can. What the Guild is reporting however—and which Marsh doesn’t deny—is that the new content has already been produced, and thus why the show’s crew was laid off.
UPDATE 2: We’ve updated the title of the post to more accurately reflect that new episodes are no longer being produced and that the show’s future is unknown. P&F writer and storyboard artist Aliki Theofilopoulos wrote on Twitter that the show is on ‘indefinite hiatus.’
UPDATE 3 (2/21/14): The Animation Guild’s business rep Steve Hulett posted a follow-up to address Phineas and Ferb co-creator Jeff “Swampy” Marsh’s Twitter comments about him. In it, Hulett reiterated:
Over the past few months, the Phineas and Ferb crew has told me the show is wrapping up and they’ve gotten their end dates, that the series doesn’t have a pickup or green light for more episodes. And every time I’ve been over to Disney Sonora, there are more and more of the P & F artists gone from their spaces. And the few left say to me (again) that the show is wrapping.
As artists on the show have said [see update 2 above], the series is currently on ‘indefinite hiatus,’ which means that Disney is not planning any new production at this time. However, it is also clear that new content has already been produced which has not premiered yet. In other words, fans of the show still have more to look forward to, even though Disney has ended production on the current series.