Once Upon a Time is introducing three Frozen characters into its upcoming fourth season, but the massively successful film could also be adapted into a spinoff show.

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ABC entertainment president Paul Lee spoke with E! Online at the TCA Press Tour in Beverly Hills Tuesday and teased that it's always possible that Frozen will get its own Once Upon a Time spinoff in the future.

"We don't have immediate plans for a Frozen spinoff, but they're so inventive, those two..." Lee said, referring to Once Upon a Time co-creators Edward Kitsis and Adam Horowitz.

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"Eddy and Adam are endlessly inventive, so they have glints in their eyes of stories that they can spin for years to come," he continued. "So it certainly doesn't rule out their ability or my ability to go beyond Once."

It is possible that some fans might not be ready for a Frozen TV show so soon after the movie, which came out in November 2013, but Lee assured E! that it was "absolutely not" too soon.

Once Upon a Time did not have much success with its previous spinoff, Once Upon a Time in Wonderland. The spinoff series, which followed Alice through the colorful and mysterious land, had dismal ratings when it aired its first (and only) season in the 2013-2014 TV season.

However, it is always possible that with the massive success of Frozen that a potential spinoff show could receive more buzz and higher ratings.

Once Upon a Time Season 4 is set to have its premiere on Sunday, Sept. 28 at 8 p.m. on ABC.

Tags: Once Upon A Time frozen television ABC