The award-winning actor remains best-known for his role as FBI Agent Fox Mulder in the sci-fi/horror drama, alongside Gillian Anderson as Dana Scully. "It's fantastic to be part of it," he said.
"At first it's a little frightening and feels like a strait-jacket. But as time goes on, you just learn to be grateful."
Duchovny used Adele's album 21 to explain his X-Files achievement.