Leland Crooke

In the final episode ever, Piper and Leo, with help from Coop's ring, must travel back in time to change the events that lead to the deaths of Piper's sisters. Meanwhile, Billie uses her power of projection to do the same thing, and many familiar faces gather to help Piper in her time of need.

While Buffy is preoccupied with being her sister's keeper, Glory sets out to grab the person whom she now believes to be the Key - Tara.

The squad is called in to identify the victim and track down a killer when a severed human foot washes up on shore.

When the Jem'Hadar overtake the Defiant, Sisko needs help from Dax, O'Brien and Bashir who are hiding on a shrunken Runabout.

O'Brien is deeply troubled when he must betray a new friend while on an undercover mission for Starfleet.

When Trip rescues an exotic female alien from her kidnappers, they find themselves on the run from her captors and on an unexpected romantic adventure.