(written from a Production point of view)
William Orville "Bill" Reed directed the six episodes of the second season of Star Trek: The Animated Series: "The Pirates of Orion", "Bem", "The Practical Joker", "Albatross", "How Sharper Than a Serpent's Tooth", and "The Counter-Clock Incident".
Season 1 director Hal Sutherland's name appears in the closing credits of each episode of Season 2. However, Filmation used stock closing credit sequences. Bill Reed was the director for Season 2 as stated in the episode title page at the beginning of each episode.