4. řada

22 epizod

1 - Zločinecká povaha (Criminal Nature)

  • Lynda Boyd
  • Gary Cole
  • Kavan Smith
  • Louis Del Grande
  • Jason Gray-Stanford
  • Fred Henderson
  • Rachel Cronin
  • John Maclaren

2 - Lov (The Hunt)

  • Doug Savant
  • Bob Gunton
  • Sarah Strange
  • Tobias Mehler
  • Ron White

3 - Teorie relativity (Relativity Theory)

  • Dylan Walsh
  • Christine Elise
  • Mike Todd
  • Darryl Quon

9 - Návrat (The Joining)

  • Rachael Leigh Cook
  • Peter Flemming
  • Tom McBeath
  • Robin Duke
  • Lane Smith
  • Tom Heaton
  • Brad Swaile
  • Jonathon Young
  • Shannon Beaty

11 - Mary 25 (Mary 25)

  • Michael Buie
  • Megan Leitch
  • Eric Keenleyside
  • Laurie Murdoch
  • María Conchita Alonso
  • Jay Brazeau
  • Claire Riley

12 - Závěrečná zkouška (Final Exam)

  • Nicholas Lea
  • Nana Visitor
  • Bill Dow

13 - Lithie (Lithia)

  • Jim Byrnes
  • Jeffrey Jones
  • Amanda Tapping
  • C. Thomas Howell

15 - Sarkofág (Sarcophagus)

  • Michael Shanks
  • Britt McKillip
  • Cynthia Geary
  • Tom Butler
  • Sofia Shinas

19 - Původ druhu (The Origin of Species)

  • Robert Picardo
  • Lisa Zane
  • David Cubitt