Grace Hanadarko is a brilliant detective on the Oklahoma City police force but misfortune has sent her on an increasingly self-destructive path. It culminates one night in a tragedy that has her uncharacteristically crying out for help and receiving it in the form of Earl, a most unconventional angel.
Season One: 13 episodes
| Ep | PN | Airdate | Title |
| 1 | 100 | Jul 23/07 | In the Beginning |
| 2 | 101 | Jul 30/07 | Bring it On, Earl |
| 3 | 102 | Aug 06/07 | Bless Me, Father, For I Have Sinned |
| 4 | 104 | Aug 13/07 | Keep Your Damn Wings Off My Nephew |
| 5 | 103 | Aug 20/07 | Would You Want Me to Tell You? |
| 6 | 105 | Aug 27/07 | And You Wonder Why I Lie |
| 7 | 106 | Sep 03/07 | Yeehaw, Geepaw |
| 8 | 107 | Sep 10/07 | Everything's Got a Shelf Life |
| 9 | 108 | Sep 17/07 | A Language of Angels |
| 10 | 109 | Dec 03/07 | It's Better When I Can See You |
| 11 | 110 | Dec 10/07 | This is Way Too Normal For You |
| 12 | 111 | Dec 17/07 | Is There a Scarlet Letter On My Breast? |
| 13 | 112 | Dec 18/07 | Taco, Tulips, Duck and Spices |
Season Two: 14 episodes
| Ep | PN | Airdate | Title |
| 14 | 201 | Jul 14/08 | Have a Seat, Earl |
| 15 | 202 | Jul 21/08 | A Survivor Lives Here |
| 16 | 203 | Jul 28/08 | A Little Hometown Love |
| 17 | 204 | Aug 04/08 | It's a Fierce, White-Hot, Mighty Love |
| 18 | 205 | Aug 11/08 | Do You Love Him? |
| 19 | 206 | Aug 18/08 | Are You an Indian Princess? |
| 20 | 207 | Aug 25/08 | You Are My Partner |
| 21 | 208 | Mar 02/09 | The Heart of a Cop |
| 22 | 209 | Mar 09/09 | Do You Believe in Second Chances? |
| 23 | 210 | Mar 16/09 | Take Me Somewhere, Earl |
| 24 | 211 | Mar 23/09 | The Live Ones |
| 25 | 213 | Mar 30/09 | But There's Clay |
| 26 | 214 | Apr 06/09 | So What's the Purpose of a Platypus? |
| 27 | 215 | Apr 13/09 | I Believe in Angels |
Season Three: 19 episodes
| Ep | PN | Airdate | Title |
| 28 | 301 | Jun 16/09 | We're Already Here |
| 29 | 302 | Jun 23/09 | She's a Lump |
| 30 | 303 | Jun 30/09 | Watch Siggybaby Burn |
| 31 | 212 | Jul 07/09 | What Would You Do? |
| 32 | 304 | Jul 14/09 | Mooooo |
| 33 | 305 | Jul 21/09 | Am I Going to Lose Her? |
| 34 | 306 | Jul 28/09 | That Was No First Kiss |
| 35 | 307 | Aug 04/09 | Popcorn |
| 36 | 308 | Aug 11/09 | Looks Like a Lesbian Attack to Me |
| 37 | 309 | Aug 18/09 | Am I Gonna Die Today? |
| 38 | | Mar 29/10 | Let's Talk |
| 39 | | Apr 05/10 | Hear the Birds |
| 40 | | Apr 12/10 | You Can't Save Them All, Grace |
| 41 | | May 24/10 | I Killed Kristin |
| 42 | | May 31/10 | So Help You God |
| 43 | | Jun 07/10 | Loose Men in Tight Jeans |
| 44 | 316 | Jun 14/10 | So You Think I'm Gonna Eat My Gun? |
| 45 | 317 | Jun 21/10 | I Need You to Call Earl |
| 46 | 318 | Jun 21/10 | I'm Gonna Need a Big Night Light |