4-03: The Visitor
When a freak accident traps Sisko in a time paradox, only re-appearing every few years, Jake spends the remainder of his life trying to save him.
4-21: For The Cause
Sisko's loyalties are tested when his girlfriend, Kassidy Yates, is an accused Maquis collaborator.
Unbeknownst to Kira, Dukat has a secret agenda when he offers to assist rescue survivors of The Ravinok.
A survivor found aboard an ancient Bajoran ship claims to be the true Emissary of the Prophets.