United Kingdom, Feb. 26 -- Zach Braff felt anxious directing the Scrubs revival episode.

The 50-year-old actor reprised the role of John 'J.D.' Dorian for the long-awaited pilot episode - but Zach felt much more nervous about directing the show.

Speaking to People, he shared: "I was nervous directing the pilot. I really wanted to get it right.

"I think that it was important to set the tone, the back-to-reality basics. We're going to have our fantasies, there's definitely comedy, there's definitely drama, but I felt a lot of pressure to make sure that we nailed the tone for the fans, most importantly, and for ourselves, because that was going to really set us on the right course.

"When we finally locked the pilot and everyone was so ex...