"Be All My Sins Remember'd" is the 71st episode of the science fiction television series "Stargate Atlantis", and the eleventh episode of the series' fourth season. The episode was written by "Atlantis" co-executive producer, Martin Gero, his third script of the season, and directed by Andy Mikita. The episode originally aired on the Sci Fi Channel in the United States on January 4, 2008, and aired on Sky One in the United Kingdom on January 8. The episode's title is derived from the line, "The fair Ophelia! Nymph, in thy orisons/ Be all my sins remember'd" from the "Get thee to a nunnery" scene in William Shakespeare's "Hamlet".