• Guest Starring: Amy Acker (Dr. Claire Saunders), Liza Lapira (Ivy), Alexis Denisof (Senator Daniel Perrin), Zoran Radanovich (Hugo Taubman)
• And: Jamie Bamber (Martin Klar)
• Co-Starring: Ben Hermes (Handler), Jesus Ruiz (Justice), Eileen Gonzales (Reporter)
• Written By: Joss Whedon
• Directed By: Joss Whedon

• Guest Starring: Alexis Denisof (Senator Daniel Perrin), Miracle Laurie (Madeline), Kristoffer Polaha (Nate Jordan), Iris Bahr (Detective Donovan), Stacey Scowley (Cindy Perrin)
• Co-Starring: Sergio Enrique (Sanchez), John Kelly (Captain), Geoff Burns (Medical Tech), James S.W. Lee (Uniformed Officer)
• Written By: Michele Fazekas & Tara Butters
• Directed By: Marita Grabiak

• Guest Starring: Liza Lapira (Ivy), Arye Gross (Professor Gossen), Michael Hogan (Bradley Karrens), Joe Sikora (Terry Karrens), Matt Winston (Franklin)
• Co-Starring: Danielle Langlois (Aunt Sheila), Susan Ziegler (Mother), Deanna Douglas (Little Sister), Tara Holt (Big Sis), Ed Wordie (Male Handler), Keith Pillow (Doctor), Andrew DiPalma (Frat Boy), Sam Sabbah (Bo Peep Active)
• Written By: Tim Minear
• Directed By: David Solomon

• Guest Starring: Vincent Ventresca (Nolan Kinnard), Carlease Burke (Pam), Clyde Kusatsu (Dr. Makido)
• Special Guest Star: Keith Carradine (Matthew Harding)
• Co-Starring: Andrea Walker (Rich Woman), Alan Pietruszewski (Handler), Natalie Graziano (Attendant), Sean Solan (Soldier)
• Written By: Maurissa Tancharoen & Jed Whedon
• Directed By: Jonathan Frakes

• Guest Starring: Alexis Denisof (Senator Daniel Perrin), Miracle Laurie (Madeline / November), Stacey Scowley (Cindy Perrin), Jillian Armenante (Grace), Nelson Franklin (Burt Styne), Summer Glau (Bennett Halverson)
• Special Guest Star: Keith Carradine (Matthew Harding)
• Co-Starring: Maurissa Tancharoen (Kilo), Jessica York (Reporter)
• Written By: Andrew Chambliss
• Directed By: David Solomon

• Guest Starring: Alexis Denisof (Senator Daniel Perrin), Nelson Franklin (Burt Styne), Summer Glau (Bennett Halverson), Stacey Scowley (Cindy Perrin), Miracle Laurie (Madeline / November)
• Special Guest Star: Ray Wise (Stewart Lipman)
• Co-Starring: Matt Riedy (Senator)
• Written By: Tracy Bellomo
• Directed By: Wendey Stanzler

• Guest Starring: Philip Casnoff (Clive Ambrose), Liza Lapira (Ivy), Jonathan Del Arco (Mr. Caviezel), Jeff Doucette (Store Manager), Kevin Linehan (Deputy Merrick), Glenn Morshower (Sheriff Rand), Ana Claudia Talancón (Galena)
• Special Guest Star: Keith Carradine (Matthew Harding)
• Co-Starring: Ido Ezra (Talik Raj Amin), Denice Sealy (Myra), Leslie Stevens (Cashier), Maurisa Tancharoen (Kilo)
• Written By: Maurissa Tancharoen & Jed Whedon & Andrew Chambliss
• Directed By: Dwight Little

• Guest Starring: Brett Claywell (Matt), Patton Oswalt (Joel Myner), Alan Tudyk (Alpha), David Lee Smith (Clay Corman)
• Written By: Jenny DeArmitt
• Directed By: David Straiton

• Guest Starring: Liza Lapira (Ivy)
• Co-Starring: Kate Comer (Attendant), Michael King (Hagan), Katrina Nelson (Bartender)
• Written By: Andrew Chambliss
• Directed By: Felix Alcalá

• Guest Starring: Reed Diamond (Laurence Dominic), Liza Lapira (Ivy), Vincent Ventresca (Nolan Kinnard), Adam Godley (Clyde Randolph), Tzi Ma (Matsu)
• Co-Starring: Jeff Cole (Male Attendant #2), Greg Collins (Molester), Demir Gjokaj (Victor #2), Jeremy Juuso (Male Staff Member), Evie Peck (Female Staff Member), Madison Russell (Little Girl), Keir Thirus (Meyers), Tanoai Reed (Dark Figure)
• Written By: Maurissa Tancharoen & Jed Whedon
• Directed By: John Cassaday

• Guest Starring: Amy Acker (Dr. Claire Saunders), Philip Casnoff (Clive Ambrose), Reed Diamond (Laurence Dominic), Summer Glau (Bennett Halverson), Liza Lapira (Ivy), Miracle Laurie (Madeline Costley / November), Jay Malone (Clive Ambrose), Rick Otto (Gabe), Katie Chonacas (Cafe Girl #1), Megan Heyn (Cafe Girl #2)
• Co-Starring: Billy Snow (Test Subject #2), Rhashan Stone (Test Subject)
• Written By: Tim Minear
• Directed By: Tim Minear

• Guest Starring: Amy Acker (Dr. Claire Saunders), Miracle Laurie (Madeline Costley / November)
• Co-Starring: Tank Jones (Security Guard #2), Josh Latzer (Security Guard #1)
• Written By: Michele Fazekas & Tara Butters & Tracy Bellomo
• Directed By: Terrence O'Hara

• Guest Starring: Felicia Day (Mag), Summer Glau (Bennett Halverson), Adair Tishler (Caroline), Alan Tudyk (Alpha), Zack Ward (Zone), Nate Dushku (Clive), Noah Harpster (Matthew), Christian Monzon (Romeo)
• Co-Starring: Brandon Dieter (T), Jim Lindsey (Active), Maurissa Tancharoen (Kilo)
• Written By: Maurissa Tancharoen & Jed Whedon & Andrew Chambliss
• Directed By: David Solomon