A villain arrives.
Synopsis [ ] The USS Pioneer is assigned to transport a prisoner to a Federation penal colony. The prisoner, Tyson Calok , has special mental abilities and powers, which he uses to switch bodies with Captain Kelsoe . However, the question is this: Can the rest of the crew discover the switch and reverse it?
Key events [ ] The introduction of the series' central archenemy, Tyson Calok . Locations [ ] First appearance [ ]
Star Trek: Pioneer (STP)
Season 1
"The So'ja Incident" • "Quantum Dreams" • "The Caverns of Eden, Part 1" • "The Caverns of Eden, Part 2" • "The Cell" • "From the Past" • "Grace" • "One Hour" • "Doctor, Doctor" • "The Removal, Part 1"
Season 2
"The Removal, Part 2" • "Transfer" • "The Vacation" • "Infested" • "Beware Romulans Bearing Gifts" • "The Bonding" • "Defector, Part 1" • "Defector, Part 2" • "Defector, Part 3" • "The Crossing"
Season 3
"Mission on Za'da Gol" • "All Gone" • "Icy Summer" • "Set In Stone" • "Space Pirates" • "The Teacher" • "Unwelcomed Visitors" • "Deception and Attraction" • "Mining Operation" • "Mandrake's Stand"
Season 4
"The Nothingness" • "In the Shadows" • "Unresolved Matters" • "Complications" • "Security Threat" • "Aftermath" • "Almost Paradise" • "Prime Target" • "In Custody" • "The Hornet's Nest"
Season 5
"Fall of the Apollo" • "Monks of Or'pec" • "Question of Loyalty" • "Nothing Else Matters" • "Everything Changes" • "The Boolran Eye, Part 1" • "The Boolran Eye, Part 2" • "The Boolran Eye, Part 3" • "For Better or Worse" • "Torment and Woe"
Season 6
"Dawn" • "The Forgotten Planet" • "Internal" • "Obsession"
Specials
"From The Front Lines" • "From The Front Lines: Blockade of Turcia" • "The Ruins" • "Night Club"
External link [ ] 
