4-02: The Gift

As Voyager limps out of Borg space, Kes undergoes a dramatic transformation and a unique new member joins the crew.

6-02: Survival Instinct

While engaging in a cultural exchange, Seven of Nine is re-introduced to other members of her unimatrix.

7-07: Body and Soul

When captured by an anti-hologram group, The Doctor's program is downloaded into Seven of Nine.