In the Bones Season 3 episode " The Boy in the Time Capsule ," the Jeffersonian team discovers the 20-year-old remains of Roger Dillon inside a 1987 high school time capsule. The investigation reveals the death was a tragic accident involving a former friend, Gil Bates, rather than a premeditated crime, while highlighting themes of long-held secrets and high school regrets. Read the full episode details at IMDb. Boy in the Time Capsule | Bones Wiki | Fandom