Heroes and Demons
Star Trek: Voyager - Season 1
DESCRIPTION
Stardate: 48693.2. Harry Kim disappears from the holodeck during his holo-novel, "Beowulf." According to the characters, he died at the hands of a mystical beast known as "Grendel". When Chakotay and Tuvok also disappear, the Doctor is transferred to the holodeck to investigate.