While his interrogator was temporarily distracted, he hid his microphone and mini tape-recorder -- used to record dialogue -- in his sock. If that had been discovered, the game would have been up.

"It was very scary that day," Abramsohn admitted.

Although Moore and company escaped Disney's notice then, the company now knows about them all too well.

At the Sundance Q&A, an audience member claimed, "Disney is furious and they are going to sue."

That may or may not be true. Disney told CNN "(We) are aware of the film" but "are not commenting at this time."

Moore seems resigned to a possible lawsuit from Disney that might keep the film from ever being seen by the wider public, but he described "Escape From Tomorrow" as a passion project that he could not step away from, despite the legal risks.

"It started off really small and it just kind of snowballed," he said. "I became obsessed. And at one point there was no turning back."