- Ep: 27
- A Spontaneous Moment
- Guest Starring: Marc Strange (Toumas Sandström), Noam Jenkins (Titus Muyerbridge), David Huband (Agent Hicks), Tamara Hope (Julie Henshaw)
- Co-Starring: Patrick Garrow (Robbie McCaine), Amanda Stepto (Leslie McCaine), Jonathan Keltz (Jeff Riddlemeyer), Stewart Arnott (Harmon Rodman), Bryan Thomas (Tyler Rodman), Marissa Shumel (Reporter)
- Written By: Tom Chehak
- Directed By: Ken Girotti
- Ep: 28
- Dust in the Wind
- Guest Starring: Marc Strange (Toumas Sandström), Noam Jenkins (Titus Muyerbridge), David Huband (Agent Hicks), Tamara Hope (Julie Henshaw)
- Co-Starring: Patrick Garrow (Robbie McCaine), Amanda Stepto (Leslie McCaine), Jonathan Keltz (Jeff Riddlemeyer), Stewart Arnott (Harmon Rodman), Bryan Thomas (Tyler Rodman), Marissa Shumel (Reporter)
- Written By: Tom Chehak
- Directed By: Ken Girotti
- Ep: 29
- Strangers in the Night
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Michael Seater (Owen), Sarah Strange (Jill Langston), Deanna Dezmari (Angelica Starov)
- Co-Starring: Bill Lake (Dr. Strickland), Liz Best (Nina), Kim Roberts (Desk Clerk), Judah Katz (Pete Braungart)
- Written By: Avrum Jacobson
- Directed By: John L'Ecuyer
- Ep: 30
- I Dream of Genomes
- Guest Starring: Michael Seater (Owen), Deanna Dezmari (Angelica Starov)
- Co-Starring: Gina Clayton (Dr. Farlow), Marie V. Cruz (Day Care Worker), Theresa Tova (Dr. Lang), Kevin Wheeler (Guard)
- Written By: Avrum Jacobson
- Directed By: John L'Ecuyer
- Ep: 31
- The God of Commerce
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Ingrid Kavelaars (Dr. Joanna Sabean), Michael Seater (Owen), Deanna Dezmari (Angelica Starov), Jim Allodi (Dr. Gordon Petras), Jeff Roop (Milo)
- Co-Starring: Mark Wilson (Regis Leonard), Bill Lake (Dr. Strickland), Todd Hofley (Timothy Bosch), Doug Smith (Dwight Leopold), Jason Spevack (Kyle), Jee Yun Lee (Reporter)
- Written By: Kate Miles Melville
- Directed By: Ron Murphy
- Ep: 32
- Phantoms
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Ingrid Kavelaars (Dr. Joanna Sabean), Jim Allodi (Dr. Gordon Petras), Jeff Roop (Milo)
- Co-Starring: Todd Hofley (Timothy Bosch), Yogesh Chotalia (Dr. Atul Deonandan)
- Written By: Tanya Grout
- Directed By: Ron Murphy
- Ep: 33
- One Hand Washes the Other
- Co-Starring: Richard Fitzpatrick (Myles Bishop), Ivania Sandoval (Elvia), Carlos Congote (Felipe), Ren Olivieri (Immigratiion Officer)
- Written By: Cal Coons
- Directed By: Clement Virgo
- Ep: 34
- Sleepers
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Joy Tanner (Dr. Alexandria Lowen), Stephen Amell (Craig Riddlemeyer)
- Co-Starring: Corwin Hall (Firefighter), Daniel Park (Firefighter), Frank Spadone (Firefighter)
- Written By: Cal Coons
- Directed By: Clement Virgo
- Ep: 35
- Let it Burn
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Leah Pinsent (Dr. Ann Turnbull), Stephen Amell (Craig Riddlemeyer)
- Co-Starring: Tatum Knight (Molly Field), Patrick Garrow (Robbie McCaine), Sharon M. Lewis (Craig's Doctor), Kent Staines (Molly's Doctor), Albert Chung (Techie), Kristen Corvers (Receptionist), Robert Racki (FBI Agent), Rick Demas (FBI Agent)
- Written By: David S. Young
- Directed By: Shawn Alex Thompson
- Ep: 36
- Unbearable
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Leah Pinsent (Dr. Ann Turnbull), Noam Jenkins (Titus Muyerbridge), Stephen Amell (Craig Riddlemeyer), Thomas Mitchell (Eliot Field)
- Co-Starring: Tatum Knight (Molly Field), Hal Roberts (Reporter), Peter Mikhail (Zoologist), Karen Ivany (Dr. Corvers), Greg Campbell (Reverend Justin)
- Written By: Jason Sherman
- Directed By: Gail Harvey
- Ep: 37
- Adrift
- Guest Starring: Leah Pinsent (Dr. Ann Turnbull), John Evans (Captain Calanbakas), Thomas Mitchell (Eliot Field)
- Co-Starring: Tatum Knight (Molly Field), Philip Akin (Wayne MacPherson), Bill MacDonald (Dr. Lee), Victoria Fodor (Dr. Sally Crick), Stephen G. Brown (Truck Driver), Adam Pal (Crazed Seaman)
- Written By: Avrum Jacobson
- Directed By: John L'Ecuyer
- Ep: 38
- Jacobson's Organ
- Guest Starring: Geraint Wyn Davies (Carleton Riddlemeyer), Leah Pinsent (Dr. Ann Turnbull), Dan Lett (John Frank)
- Co-Starring: Duane Murray (Dr. Vaughan), Perry Perlmutar (IT Guy), Peter Feniak (Reporter), Albert Chung (Techie)
- Written By: David S. Young
- Directed By: Ron Murphy
- Ep: 39
- Back to the Future
- Guest Starring: Victor Garber (Olivier Roth), Geraint Wyn Davies (Carleton Riddlemeyer), Leah Pinsent (Dr. Ann Turnbull), Noam Jenkins (Titus Muyerbridge)
- Co-Starring: Susan Kent (Young Mother), Jennifer Pisana (Teenage Girl), Dominic Cuzzocrea (Homeless Man), Sam Kalilieh (Reporter), Boomer Phillips (Fireman)
- Written By: Tom Chehak
- Directed By: John L'Ecuyer
| Peter Outerbridge ... David Sandström, NorBAC Chief Scientist |
| Wendy Crewson ............... Rachel Woods, NorBAC Virologist |
| Conrad Pla ................ Carlos Serrano, NorBAC Geneticist |
| Dmitry Chepovetsky .......... Bob Melnikov, NorBAC Biochemist |
| Mayko Nguyen .............. Mayko Tran, NorBAC Bioinformatics |
| Greg Bryk ........... Weston Field, NorBAC Executive Director |
