Here is a detailed The 4400 episode guide that can help you browse all The 4400 episodes in a snap! Each episode's rating and release date is listed on the right of the title. You may also use the quick season jumper to focus on a certain The 4400 season.
| The 4400 Season 1 Episodes | yyyy-mm-dd | Rating | |
| s1e1 | Pilot (the Return) | 2004-07-11 | 8.33/10 |
| s1e2 | The New & Improved Carl Morrissey | 2004-07-18 | 8.75/10 |
| s1e3 | Becoming | 2004-07-25 | 8.00/10 |
| s1e4 | Trial By Fire | 2004-08-01 | 9.00/10 |
| s1e5 | White Light | 2004-08-08 | 9.33/10 |
| The 4400 Season 2 Episodes | yyyy-mm-dd | Rating | |
| s2e1 | Wake-up Call (1) | 2005-06-05 | 10.00/10 |
| s2e2 | Wake-up Call (2) | 2005-06-05 | 0.00/10 |
| s2e3 | Voices Carry | 2005-06-12 | 10.00/10 |
| s2e4 | Weight Of The World | 2005-06-19 | 8.00/10 |
| s2e5 | Suffer The Children | 2005-06-26 | 9.00/10 |
| s2e6 | As Fate Would Have It | 2005-07-10 | 9.33/10 |
| s2e7 | Life Interrupted | 2005-07-17 | 7.67/10 |
| s2e8 | Carrier | 2005-07-24 | 10.00/10 |
| s2e9 | Rebirth | 2005-07-31 | 10.00/10 |
| s2e10 | Hidden | 2005-08-07 | 10.00/10 |
| s2e11 | Lockdown | 2005-08-14 | 10.00/10 |
| s2e12 | The Fifth Page (1) | 2005-08-21 | 10.00/10 |
| s2e13 | Mommy's Bosses (2) | 2005-08-28 | 10.00/10 |
| The 4400 Season 3 Episodes | yyyy-mm-dd | Rating | |
| s3e1 | The New World (1) | 2006-06-11 | 9.00/10 |
| s3e2 | The New World (2) | 2006-06-11 | 10.00/10 |
| s3e3 | Being Tom Baldwin | 2006-06-18 | 9.00/10 |
| s3e4 | Gone (1) | 2006-06-25 | 10.00/10 |
| s3e5 | Gone (2) | 2006-07-02 | 0.00/10 |
| s3e6 | Graduation Day | 2006-07-09 | 10.00/10 |
| s3e7 | The Home Front | 2006-07-16 | 10.00/10 |
| s3e8 | Blink | 2006-07-23 | 10.00/10 |
| s3e9 | The Ballad Of Kevin & Tess | 2006-07-30 | 9.50/10 |
| s3e10 | The Starzl Mutation | 2006-08-06 | 9.67/10 |
| s3e11 | The Gospel According To Collier | 2006-08-13 | 10.00/10 |
| s3e12 | Terrible Swift Sword | 2006-08-20 | 10.00/10 |
| s3e13 | Fifty-fifty | 2006-08-27 | 9.50/10 |
| The 4400 Season 4 Episodes | yyyy-mm-dd | Rating | |
| s4e1 | The Wrath Of Graham | 2007-06-17 | 10.00/10 |
| s4e2 | Fear Itself | 2007-06-24 | 10.00/10 |
| s4e3 | Audrey Parker's Come And Gone | 2007-07-01 | 10.00/10 |
| s4e4 | The Truth And Nothing But The Truth | 2007-07-08 | 10.00/10 |
| s4e5 | Try The Pie | 2007-07-15 | 10.00/10 |
| s4e6 | The Marked | 2007-07-22 | 10.00/10 |
| s4e7 | Till We Have Built Jerusalem | 2007-07-29 | 10.00/10 |
| s4e8 | No Exit | 2007-08-05 | 9.00/10 |
| s4e9 | Daddy's Little Girl | 2007-08-12 | 9.00/10 |
| s4e10 | One Of Us | 2007-08-19 | 10.00/10 |
| s4e11 | Ghost In The Machine | 2007-08-26 | 10.00/10 |
| s4e12 | Tiny Machines | 2007-09-09 | 10.00/10 |
| s4e13 | The Great Leap Forward | 2007-09-16 | 10.00/10 |