Star Trek: Voyager: Season 6, Episode 19

6 - 19: Child's Play

Seven of Nine defends a child Borg drone whose parents come to reclaim him. Seven suspects that Icheb's parents are not telling the truth about their son's assimilation. Mezoti, one of the Borg children still on board Voyager, holds the key to the mystery. The boy's parents plan on using him as a secret genetic weapon for revenge on the Borg, even if it results in his death.