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.
4-15: Bar Association
Quark’s frustrated employees organize a union and strike, prompting intervention from Liquidator Brunt of the Ferengi Commerce Authority.
Jadzia fights temptation when she is reunited with the new host of Torias Dax’s widowed wife.
4-20: The Muse
Jake is under an alien influence while a pregnant, engaged Lwaxana Troi seeks Odo's help.