Was Anthony Hopkins ever in an episode of the Waltons?

Yes, Anthony Hopkins appeared in an episode of "The Waltons." He guest-starred in the Season 6 episode titled "The Furlough," which aired in 1977. In this episode, he played the character of John Thomas Walton, Jr., who is a soldier returning home on furlough. His performance was notable, showcasing his talent even in this early television role.