Taiana starts to lose control as she gains more power from the totem in episode 4x22 "Lost in the Flood". Reiter catches up with Oliver and Taiana in the forest in episode 4x23 "Schism". The bags are taken off of the captured team members showing them that chase brought them to Lian Yu in episode 5x22 "Missing". Appears in 1 more episode.
Source: Aviewfromabroad — Twitter