"Star Trek: The Next Generation" Birthright, Part I (TV Episode 1993)
Enterprise-D docked at Deep Space 9 footage is reused from the Star Trek Deep Space Nine pilot movie.'Star Trek: Deep Space Nine': Behind the Scenes (Video 1993)
"Star Trek: Deep Space Nine" What You Leave Behind (TV Episode 1999)
Jake recalls fishing on the holodeck of the ship that brought him and his father to DS9.- Remastered clips in high-definition shown from the series premiere.
"Young Sheldon" Pancake Sunday and Textbook Flirting (TV Episode 2023)
Sheldon and Mary watch it
"Star Trek: The Next Generation" The Best of Both Worlds: Part 2 (TV Episode 1990)
The Battle of Wolf 359 is shown as a flashback in the opening sequence.
"Star Trek: Deep Space Nine" Battle Lines (TV Episode 1993)
Kai Opaka mentions that Sisko once offered her a tour on DS9. He did so in "Emissary""Star Trek: Deep Space Nine" The Way of the Warrior (TV Episode 1995)
Sisko recalls to Worf about how he once considered resigning from Starfleet.Star Trek: Deep Space Nine - Crossroads of Time (Video Game 1995)
Sisko and the prylar repeat their exchange from the episode."Hercules: The Legendary Journeys" Sky High (TV Episode 1999)
A character is named Opakus, which closely resembles Opaka, one of several apparent DSN references in the episode.The Captains (2011)
Avery Brooks describes the episode's plot
M*A*S*H (1970)
Visual reference of Rene Auberjonois' character helping the doctor to compress a man's wound in order to save blood.Cheers (TV Series 1982–1993)
'Morn', the frequent customer in Quark's bar, is an anagram for Norm and a homage to the barfly character.Star Trek: The Next Generation (TV Series 1987–1994)
Picard makes a crossover appearance wishing Sisko luck, while O'Brien transfers to DS9 from the Enterprise."Star Trek: The Next Generation" The Wounded (TV Episode 1991)
Miles O'Brien tells about Seltik III. In "The Wounded" the fact he is a hero of Seltik III was introduced, including details of the events Miles is refering to.
"Star Trek: Deep Space Nine" Prophet Motive (TV Episode 1995)
There is another visit to the Prophets of the Wormhole, with similar effects, but this time played for laughs.