Stardate: Unknown. The station goes into lockdown and the crew is endangered when an old Cardassian security program is accidentally activated.

Stardate: 48481.2. Sisko, Bashir and Dax are accidentally sent to San Francisco in the 21st century due to a transporter malfunction, and must figure out how to get back without changing the time line.

Stardate: 48498.4. Dr. Bashir must use extraordinary measures to prolong Vedek Bareil's life long enough to allow Bareil to complete sensitive peace negotiations between the Bajorans and the Cardassians.

Stardate: Unknown. While a Romulan delegation tries to get information about the Dominion, O'Brien gets visions of unpleasant things that are about to happen in the future.

Stardate: Unknown. When Starfleet institutes martial law to combat the Changeling Menace, Sisko begins to question if the Dominion is the real threat.