Scott said that he received the pilot script in January — and that Sam was part of that draft of the script. But for reasons he didn’t disclose in his Instagram note, he said no to a reprise appearance.
“As the show has always been near and dear to my heart, it was a very difficult decision to pass on the project, a decision that has upset and confused so many fans of the original series,” he wrote.
Source: https://www.distractify.com/p/is-sam-beckett-in-new-quantum-leap