• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Ali Larter (Tracy), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Ashley Crow (Sandra Bennet), Madeline Zima (Gretchen), Jimmy Jean-Louis (The Haitian), Lisa Lackey (Janice Parkman), Ray Park (Edgar), Dawn Olivieri (Lydia), Rachel Melvin (Annie), Rick Worthy (Mike), Assaf Cohen (Hesam), Wes Ramsey (Roy), Gregory Zola (), Saemi Nakamura (Kimiko Nakamura), Mercedes Colon (Police Detective)
• With: Zeljko Ivanek (Emile Danko)
• And: Robert Knepper (Samuel Sullivan)
• Co-Starring: Jack Wallace (Arnold), Scott Lowell (Professor), Mikey Kawata (Young Hiro), Jordon Dang (Young Ando), Satomi Okuno (Young Kimiko), Marine Fujisawa (Little Girl), Jarret Wright (Driver), Blair Hickey (Bank Manager), Cindy Gilbert (Pregnant Woman), Daryl Crittendon (Carny #1)
• Written By: Tim Kring (part 1), Adam Armus & Kay Foster (part 2)
• Directed By: David Straiton (part 1), Ed Bianchi (part 2)

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Milo Ventimiglia (Peter)
• Guest Starring: Louise Fletcher (Emma's Doctor), Madeline Zima (Gretchen), Deanne Bray (Emma), Rick Worthy (Mike), Dawn Olivieri (Lydia), Daniel Newman (Jimmy Keppler), Assaf Cohen (Hesam)
• And: Robert Knepper (Samuel Sullivan)
• Co-Starring: David Pompeii (Tracksuit), Edwin Kho (Cellist), Susan Angelo (Woman), Daniel Kash (Fireman), Daryl Crittendon (Carny #1)
• Written By: Aron Eli Coleite
• Directed By: Roxann Dawson

• Starring: Jack Coleman (Noah), Ali Larter (Tracy), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Bruce Boxleitner (Robert Malden), Ray Park (Edgar), Dawn Olivieri (Lydia), Akihiro Kitamura (Tadashi), Saemi Nakamura (Kimiko Nakamura), Jayson Blair (Young Nathan), Jamie Tisdale (Kelly Houston)
• And: Robert Knepper (Samuel Sullivan)
• And: Swoosie Kurtz (Millie)
• Co-Starring: David Atkinson (Assassin), Sam Cohen (11-Year-Old Nathan)
• Written By: Bryan Fuller
• Directed By: Chris Misiano

• Starring: Masi Oka (Hiro), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Louise Fletcher (Dr. Coolidge), Madeline Zima (Gretchen Berg), Ray Park (Edgar), Dawn Olivieri (Lydia), Deanne Bray (Emma Coolidge), Christine Adams (Dr. Madeline Gibson), Tessa Thompson (Rebecca Taylor), Rachel Melvin (Annie)
• With: Ernie Hudson (Captain Lubbock)
• And: Robert Knepper (Samuel Sullivan)
• Co-Starring: Jack Wallace (Arnold), Sydney Sweeney (Little Girl), Kat Purgal (Sister #5 - Allison), Carrie Wiita (Sister #6 - Kara)
• Written By: Joe Pokaski
• Directed By: SJ Clarkson

• Starring: Jack Coleman (Noah), Masi Oka (Hiro), Adrian Pasdar (Nathan), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Milo Ventimiglia (Peter)
• Guest Starring: Ellen Greene (Virginia Grey), Deanne Bray (Emma Coolidge), Ray Park (Edgar), Dawn Olivieri (Lydia), Carlease Burke (Hiro's Nurse), Mark L. Young (Jeremy Greer)
• With: Ernie Hudson (Captain Lubbock)
• And: Robert Knepper (Samuel Sullivan)
• Co-Starring: Edward Gusts (Teddy), Harry Perry (Damien), Daryl Crittenden (Carney #1), Nick Ubaldi (Carney #2)
• Written By: Rob Fresco
• Directed By: Jim Chory

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Ali Larter (Tracy), Hayden Panettiere (Claire), Zachary Quinto (Sylar)
• Guest Starring: Madeline Zima (Gretchen Berg), Dawn Olivieri (Lydia), Raphael Sbarge (Sheriff Werner), Mark L. Young (Jeremy Greer), Lisa Lackey (Janice Parkman), Rick Worthy (Mike), Tessa Thompson (Rebecca Taylor)
• And: Robert Knepper (Samuel Sullivan)
• Co-Starring: Bonnie Bentley (Mask #1), Kat Purgal (Mask #2), Danica Stewart (Ashley), Candice Patton (Olivia), Randy Flagler (Deputy Gill), Jonathan Goldstein (Male Citizen), Daryl Crittenden (Fire Breather Dad), Erin O'Reilly (Fire Breather Mom), Kaleigh Ryan (Fire Breather Daughter)
• Written By: Carlos Coto
• Directed By: Tucker Gates

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel Sullivan), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder)
• Guest Starring: Elisabeth Rohm (Lauren), Jayma Mays (Charlie Andrews), Dawn Olivieri (Lydia), Danielle Savre (Jackie Wilcox), Santiago Cabrera (Isaac Mendez)
• Co-Starring: Sally Champlin (Lynette), Bryce Hurless (Pistol Petey), Candace Smith (Miss Roberts), Jessica Whitaker (Cheerleader #1), Lauren Hudson (Cheerleader #2), Danielle Crumble (Cheerleader #3), Deanna Douglas (Cheerleader #4), Carlson Young (Cheerleader #5), Allison Peige (Cheerleader #6)
• Uncredited: Nora Zehetner (Eden McCain)
• Written By: Aron Eli Coleite & Aury Wallington
• Directed By: Nate Goodman

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel Sullivan), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Milo Ventimiglia (Peter)
• Guest Starring: Madeline Zima (Gretchen Berg), Tessa Thompson (Rebecca Taylor), Jimmy Jean-Louis (The Haitian), Dawn Olivieri (Lydia), Carlease Burke (Nurse), Assaf Cohen (Hesam)
• And: Deanne Bray (Emma Coolidge)
• Co-Starring: Sally Champlin (Lynette), Michael D. Nye (Hank), Omar Leyva (Doctor), Marie Wong (Nurse), Anna Clark (5 Year Old Megan), Danica Stewart (Ashley), Candice Patton (Olivia), Kat Purgal (Sorority Girl Allison), Cindy Chiu (Sorority Girl), Zoe Bolden (5 Year Old Becky), Everett Kelsey (Becky's Father), Jarvis George (Patrick), Franco Vega (Police Officer), Ameenah Kaplan (Female Airport Police), Christopher Mann (Male Airport Police), Jason Konopisos (Airport Security)
• Written By: Joe Pokaski & Misha Green
• Directed By: Jim Chory

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel), Ali Larter (Tracy), Masi Oka (Hiro), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder), Milo Ventimiglia (Peter)
• Guest Starring: Jimmy Jean-Louis (The Haitian), Andrew Connolly (Joseph Sullivan), Ravi Kapoor (Young Chandra Suresh), Kavi Ladnier (Mira Shenoy), Dawn-Lyen Gardner (Elizabeth), Heather Ankeny (Waitress)
• Co-Starring: Aleene Khoury (Student), Ben Fitch (Officer Ramsey), Don Tiffany (Orderly)
• Written By: Mark Verheiden & Rob Fresco
• Directed By: Bryan Spicer

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel), Masi Oka (Hiro), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Ashley Crow (Sandra Bennet), Madeline Zima (Gretchen Berg), Ray Park (Edgar), Dawn Olivieri (Lydia), Elisabeth Rohm (Lauren), Hank Stratton (Doug Douglas), Sasha Pieterse (Amanda), Andrew Connolly (Joseph Sullivan)
• Co-Starring: Harry Perry (Damian), Dusty Sorg (Caleb)
• Written By: Adam Armus & Kay Foster
• Directed By: Seith Mann

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel), Ali Larter (Tracy), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Madeline Zima (Gretchen Berg), Jimmy Jean-Louis (The Haitian), Dawn Olivieri (Lydia), Todd Stashwick (Eli), Elisabeth Rohm (Lauren), Carlease Burke (Nurse), Sasha Pieterse (Amanda)
• Co-Starring: Bryan Krasner (Burly Guy), China Anderson (Little Girl), John Lee Ames (Game Operator)
• Written By: Tim Kring
• Directed By: Kevin Dowling

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Sendhil Ramamurthy (Mohinder), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Deanne Bray (Emma Coolidge), Dawn Olivieri (Lydia), Todd Stashwick (Eli), David H. Lawrence XVII (Eric Doyle), Sasha Pieterse (Amanda), Saemi Nakamura (Kimiko Nakamura)
• Co-Starring: Henry Hayashi (Ramen Vendor), Al Yoshihara (Japanese Woman), Keisuke Hoashi (Japanese Cop), Adam Lazarre-White (Ian Michaels), Matt Sigloch (Officer in Charge), Justin Evans (Simon Petrelli), Jackson Wurth (Monty Petrelli), Julian De La Celle (Young Samuel), Doug Haley (Young Joseph)
• Written By: Carlos Coto
• Directed By: Ron Underwood

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel), Hayden Panettiere (Claire), Adrian Pasdar (Nathan), Zachary Quinto (Sylar), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Ray Park (Edgar), Dawn Olivieri (Lydia), Elisabeth Rohm (Lauren), David H. Lawrence XVII (Eric Doyle), Dawn-Lyen Gardner (Elizabeth)
• Co-Starring: Justin Evans (Simon Petrelli), Jackson Wurth (Monty Petrelli), Cary Mizobe (Mr. Nozawa), Sean Carrigan (Police Officer), Kelli Kirkland Powers (Wendy), Christopher May (Adam)
• Written By: Jim Martin
• Directed By: Jeannot Szwarc

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Kate Vernon (Vanessa), Deanne Bray (Emma Coolidge), Dawn Olivieri (Lydia), Todd Stashwick (Eli), Lisa Lackey (Janice Parkman), Elisabeth Rohm (Lauren), Sasha Pieterse (Amanda)
• Co-Starring: John Gerbin (Burly Orderly), Reed Baron (Baby Matt Parkman #1), Quin Baron (Baby Matt Parkman #2)
• Written By: Rob Fresco
• Directed By: Roxann Dawson

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Sendhil Ramamurthy (Mohinder)
• Guest Starring: Madeline Zima (Gretchen Berg), Dawn Olivieri (Lydia), Lisa Lackey (Janice Parkman), Kate Vernon (Vanessa), Tamlyn Tomita (Ishi Nakamura), Danielle Savre (Jackie Wilcox), Sasha Pieterse (Amanda)
• With: David Anders (Adam Monroe)
• And: George Takei (Kaito Nakamura)
• Co-Starring: Jordan Dang (Young Ando), Satomi Okuno (Young Kimiko), Sally Champlin (Lynette), Shevaun Cavanaugh Kastl (Waitress), Mary Wickliffe (Doctor Puljos), Helen Eigenberg (Nurse), Reed Baron (Baby Matt Parkman 1), Quin Baron (Baby Matt Parkman 2)
• Written By: Oliver Grigsby
• Directed By: Michael Nankin

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel), Ali Larter (Tracy), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Cristine Rose (Angela), Milo Ventimiglia (Peter)
• Guest Starring: Madeline Zima (Gretchen Berg), Dawn Olivieri (Lydia), Ray Park (Edgar), Deanne Bray (Emma Coolidge), Todd Stashwick (Eli), Lisa Lackey (Janice Parkman), Elisabeth Rohm (Lauren), David H. Lawrence XVII (Eric Doyle)
• Co-Starring: Harry Perry (Damian), Daryl Crittenden (Fire Breather Dad "Chris"), Erin O'Reilly (Fire Breather Mom "Gale"), Kaleigh Ryan (Fire Breather Daughter "Jennie")
• Written By: Mark Verheiden & Misha Green
• Directed By: SJ Clarkson

• Starring: Jack Coleman (Noah), Robert Knepper (Samuel), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Milo Ventimiglia (Peter)
• Guest Starring: Ashley Crow (Sandra Bennet), Madeline Zima (Gretchen Berg), Jimmy Jean-Louis (Rene "The Haitian"), Deanne Bray (Emma Coolidge), Elisabeth Rohm (Lauren Gilmore), Todd Stashwick (Eli), Sherri Saum (Kate Bennet), Stephen Monroe Taylor (Richard)
• And: Eric Roberts (Thompson)
• Co-Starring: Harry Perry (Damian), Kenneth Colom (Billie), Meghan McCaig (Sadie), Justin Dray (Uniformed Man), Gregory Hoyt (Young Man), Heather Christine (Young Man's Wife)
• Written By: Adam Armus & Kay Foster
• Directed By: Allan Arkush

• Starring: Jack Coleman (Noah), Greg Grunberg (Matt), Robert Knepper (Samuel), Ali Larter (Tracy), James Kyson Lee (Ando), Masi Oka (Hiro), Hayden Panettiere (Claire), Zachary Quinto (Sylar), Milo Ventimiglia (Peter)
• Guest Starring: Deanne Bray (Emma Coolidge), David H. Lawrence XVII (Eric Doyle), Ray Park (Edgar), Elisabeth Rohm (Lauren Gilmore), Todd Stashwick (Eli), Adam Lazarre-White (Ian Michaels), K Callan (Elderly Charlie)
• Co-Starring: Harry Perry (Damian), Daryl Crittenden (Fire Breather Dad "Chris"), Erin O'Reilly (Fire Breather Mom "Gale"), Kaleigh Ryan (Fire Breather Daughter "Jennie"), Allyson Roche (Sally), Jennie Fahn (Nurse), Charly Emery (Reporter #1), Shane Conrad (Reporter #2)
• Written By: Tim Kring
• Directed By: Adam Kane