The science-fiction series returns for its sixth season.

The Federation is facing its greatest challenge in the face of an alliance between the Dominion and the Cardassians. Kira and Odo have to adjust to enemy rule, while Sisko, in command of a motley collection of Federation and Klingon vessels, faces a difficult decision.
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(The series moves to a new slot, on Wednesdays at 6.45pm, from next week)