The week-long national syndication window opens for the 20th episode of Star Trek: Deep Space Nine. This episode opens the second season and is the first installment of an unprecedented (for Star Trek) three-part story. Frank Langella guest stars. 
The week-long national syndication window opens for the 20th episode of Star Trek: Deep Space Nine. This episode opens the second season and is the first installment of an unprecedented (for Star Trek) three-part story. Frank Langella guest stars.
The week-long national syndication window opens for the 21st episode of Star Trek: Deep Space Nine. Frank Langella, Louise Fletcher and Philip Anglim guest star. This is the second part of a three-part story.
The week-long national syndication window opens for the 22nd episode of Star Trek: Deep Space Nine. Frank Langella, Louise Fletcher, Philip Anglim and Steven Weber (Wings) guest star. This is the conclusion of a three-part story.
The week-long national syndication window opens for the 23rd episode of Star Trek: Deep Space Nine. John Glover (Smallville) and Tim Russ (Star Trek: Voyager) guest star.
The week-long national syndication window opens for the 24th episode of Star Trek: Deep Space Nine. Andrew Robinson guest stars as Garak.
The week-long national syndication window opens for the 25th episode of Star Trek: Deep Space Nine. Daphne Ashbrook (Doctor Who) guest stars.
The week-long national syndication window opens for the 26th episode of Star Trek: Deep Space Nine. Wallace Shawn (The Princess Bride) guest stars.
The week-long national syndication window opens for the 27th episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 28th episode of Star Trek: Deep Space Nine. Richard Kiley guest stars.
The week-long national syndication window opens for the 29th episode of Star Trek: Deep Space Nine. William Schallert and Andrew Koenig guest star; this episode features one of the earliest mentions of the Gamma Quadrant superpower, the Dominion.
The week-long national syndication window opens for the 30th episode of Star Trek: Deep Space Nine. Chris Sarandon (Fright Night) guest stars.
The week-long national syndication window opens for the 31st episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 32nd episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 33rd episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 34th episode of Star Trek: Deep Space Nine. Julia Nickson (Babylon 5) guest stars.
The week-long national syndication window opens for the 35th episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 36th episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 37th episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 38th episode of Star Trek: Deep Space Nine. Guest starring are three actors who played Captain Kirk’s Klingon adversaries in various episodes of the original Star Trek: John Colicos (Battlestar Galactica) as Kor, Michael Ansara as Kang, and William Campbell as Koloth.
The week-long national syndication window opens for the 39th episode of Star Trek: Deep Space Nine. Bernie Casey guest stars in an episode which introduces some of the background elements of the upcoming spinoff series Star Trek: Voyager.
The week-long national syndication window opens for the 40th episode of Star Trek: Deep Space Nine. Bernie Casey guest stars in an episode which introduces some of the background elements of the upcoming spinoff series Star Trek: Voyager.
The week-long national syndication window opens for the 41st episode of Star Trek: Deep Space Nine. Andrew Robinson and Paul Dooley guest star.
The week-long national syndication window opens for the 42nd episode of Star Trek: Deep Space Nine. Andrew Robinson guest stars in the first DS9 episode to revisit the alternate universe of the original Star Trek episode Mirror, Mirror.
The week-long national syndication window opens for the 43rd episode of Star Trek: Deep Space Nine. Lousie Fletcher (One Flew Over The Cuckoo’s Nest) guest stars.
The week-long national syndication window opens for the 44th episode of Star Trek: Deep Space Nine.
The week-long national syndication window opens for the 45th episode of Star Trek: Deep Space Nine. This episode ends the second season, and introduces the threat of the Dominion and their Jem’Hadar soldiers for the first time. (The Vorta, the Dominion’s strategists, are also seen for the first time.)