While "Indiana Jones and the Kingdom of the Crystal Skull" is widely panned by fans of the franchise its director says "Temple of Doom" is his least favorite.

The brutal honesty is even a little more interesting while considering the fact that Steven Spielberg met his second wife, Kate Capshaw, on the set of "Indiana Jones and the Temple of Doom." Capshaw played alongside Harrison Ford as Willie Scott in the 1984 sequel to "Raiders of the Lost Ark."

The Associated Press spoke with documentarian Susan Lacy, who said she spent more than 30 hours interviewing director Spielberg across 17 different visits. The documentary, "Spielberg," will premiere on HBO on Oct. 7.

"Spielberg" will cover his career by speaking to the man himself, as well as his family, frequent collaborators and friends. The legendary director is known for being typically private, but Lacy pointed to him recently turning 70 as a reason to tell his side of the story.

"I can only guess that turning 70 is a turning point for many people," Lacy told A.P. "I could not believe how articulate he was about the process of making films and his process of making films, and how much fun he had talking about it.

"Every actor I interviewed -- and I interviewed everybody ... that's what they were most impressed with: How much he understands the process of filmmaking and how he sees ahead when he's shooting ... There are very few filmmakers who have that skill, and it impressed everyone."

Lacy said she spoke to actors Daniel Day-Lewis, Matt Damon and Tom Cruise, among others, and that the main takeaway was Spielberg's love for the medium. The documentarian, who is known for creating "American Masters" on PBS, made the comments Wednesday, July 25 at the Television Critics Association's summer meeting.

While the pressure of making a movie about Spielberg that the legendary director will most likely watch would be horrifying for nearly everyone, Lacy didn't allow herself to go there.

Director/producer Susan Lacy speaks in the "Spielberg" panel during the HBO Television Critics Association Summer Press Tour at the Beverly Hilton on Wednesday, July 26, 2017, in Beverly Hills, Calif. (Photo by Chris Pizzello/Invision/AP)

"I didn't allow myself to go there: What happens if Steven Spielberg doesn't like the movie?" she told A.P. "If I'd thought about that, I'd probably have been frozen and immobilized and not be able to do that."