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Change of Heart (Star Trek: Deep Space Nine)

"Change of Heart" is the 16th episode of the sixth season of Star Trek: Deep Space Nine, the 140th episode overall. This is an episode of a television show of the Star Trek franchise, and is set in that science fiction Universe in the 2370s.

"Change of Heart"
Star Trek: Deep Space Nine episode
Episode no.Season 6
Episode 16
Directed byDavid Livingston
Written byRonald D. Moore
Featured musicDennis McCarthy
Production code540
Original air dateMarch 4, 1998 (1998-03-04)
Guest appearance(s)
Episode chronology
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"Honor Among Thieves"
Next →
"Wrongs Darker Than Death or Night"
Star Trek: Deep Space Nine (season 6)
List of Star Trek: Deep Space Nine episodes

On a mission to rendezvous with a Cardassian spy in the Badlands, Jadzia is wounded and Worf has to make the choice between saving his wife or completing his mission. They pilot the Danube-class Runabout Shenandoah on this mission. It is the first episode since their wedding to focus on them, and explores spousal relationships and duty to the service.

This episode had a Nielsen rating of 5.5 points, corresponding to about 5.4 million viewers when it premiered.[1]


When Dax and Worf are sent to the Badlands to meet with a Cardassian double-agent, they receive an encrypted subspace transmission from Lasaran, the operative. He has information about where the Founders are located in the Alpha Quadrant, but before he will reveal anything, he wants Dax and Worf to help him defect. In three days, he plans to walk into the jungle on the planet Soukara. Since Dax and Worf will be unable to beam him off the planet, they are to rendezvous with him in the jungle. Seeing no alternative, they agree to the plan.

Dax and Worf head immediately for the Soukara system, successfully landing the runabout in the middle of the jungle. They have just under two days to reach the rendezvous point, and although this is about 20 kilometers away, they will have to penetrate the Dominion's sensors and get past their patrols.

Reconfiguring their tricorders to mask their lifesigns, Dax and Worf are able to begin their trek through the jungle. They hike the entire day, finally stopping to make camp after night falls. Despite the difficulty of the journey, it is almost like a honeymoon for the newlyweds, who enjoy talking and joking together. However, they soon realize they are in the path of a Jem'Hadar patrol.

With no way to escape, they quickly formulate a plan of attack. They manage to kill all three Jem'Hadar, but Dax is shot with a disruptor that leaves an anti-coagulant in her wound — meaning the bleeding cannot be stopped. With the help of painkillers and regular plasma transfusions, they continue their trek, but Dax's injuries impede their progress, and eventually she loses the ability to walk.

Worf realizes that Dax's only hope for survival is surgery. Since they cannot abandon their mission, Dax and Worf both decide Worf must keep going, leaving Dax behind to die. The newlyweds share a kiss goodbye, and Worf heads off into the jungle. But as he gets farther and farther away, Worf realizes he cannot complete the mission. Instead, he rushes back to the now-unconscious Dax, reaching her just in time to save her life. Back on Deep Space Nine, he learns she will recover, but their mission is a complete loss — Lasaran has been killed. Sisko informs Worf that, as Captain, he must tell Worf he made the wrong choice (as well as issue a formal reprimand, lessening the possibility of ever getting his own command, and prohibiting any further missions with Worf and Dax as a team), but as a man and a husband, he would have done the same thing.


This episode includes a sequence that depicts a runabout traversing an asteroid field, then landing on a planet.[2] This was the first episode in which runabout sequences were done completely with computer-generated imagery: complex scenes where the ship weaved through the dense asteroid field were achieved without weeks of miniature effect work, and camera movements during the landing sequence allowed the runabout to be shown from multiple angles in the same scene, as there was no need to conceal a 'mounting point' for the miniature.[2] The CGI model for the Danube class was developed by Digital Muse.[2]


In 2017, ScreenRant rated "Change of Heart" the 4th best romantic episode of Star Trek.[3]

In 2018, SyFy included this episode on their Jadzia Dax binge-watching guide for this character.[4]


  1. ^ "WebTrek - Star Trek: Deep Space Nine * SEASON 6 NIELSEN RATINGS".
  2. ^ a b c Kaplan, Visual Effects, pp. 57-8
  3. ^ "Star Trek's 15 Greatest Romances". ScreenRant. 2017-02-06. Retrieved 2019-03-27.
  4. ^ Lane, Carly (2018-02-05). "A binge-watching guide to Star Trek: Deep Space Nine's Jadzia Dax". SYFY WIRE. Retrieved 2019-07-23.

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