Star Trek: Deep Space Nine: 7x22

Tacking Into the Wind

Odo is affected by the disease threatening to eliminate his race more than he lets on to, while Kira has to deal with the Cardassian’s dislike of her. Even though General Martok sees Chancellor Gowron’s move as part of a political vendetta, he does nothing about it.

Star Trek: Deep Space Nine: Season 7 Episode 22
1999