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  1. Scenes from the Original Pilot – “Charlie Has Cancer” Episode 1 Scenes from the Original Pilot – “Charlie Has Cancer” September 4, 2007, 22 min 1 of 2 scenes from the original pilot. Released with Season 01-02 disc set.
  2. Scenes from the Original Pilot – “Mac Meets Carmen” Episode 2 Scenes from the Original Pilot – “Mac Meets Carmen” September 4, 2007, 22 min 2 of 2 scenes from the original pilot. Released with Season 01-02 disc set.
  3. Sunny Side Up Making-Of Featurette Episode 3 Sunny Side Up Making-Of Featurette September 4, 2007, 22 min A peak into the creation process of 'It's Always Sunny in Philadelphia.' Includes interviews and a behind the scenes look at how the show is made. Released with Season 01-02…
  4. Kaitlin Audition Featurette Episode 4 Kaitlin Audition Featurette September 4, 2007, 22 min A look into the casting process for Dee Reynolds, played by Kaitlin Olson.
  5. The Gang Fucks Up Outtakes (Seasons 1 & 2) Episode 5 The Gang Fucks Up Outtakes (Seasons 1 & 2) September 4, 2007, 22 min Blooper Reel and Outtakes from Seasons 01 & 02. Released with Season 01-02 disc set.
  6. Episode 6 Fox Movie Channel presents Making A Scene September 4, 2007, 22 min A Fox Movie Channel behind the scenes look at Season 02 of 'It's Always Sunny in Philadelphia'.
  7. Mac Bangs Dennis’ Mom Commentary Episode 7 Mac Bangs Dennis’ Mom Commentary September 4, 2007, 22 min
  8. Hundred Dollar Baby Commentary Episode 8 Hundred Dollar Baby Commentary September 4, 2007, 22 min
  9. Sunny Side Up Volume 2 Making-Of Featurette Episode 9 Sunny Side Up Volume 2 Making-Of Featurette October 6, 2009, 22 min Included in Season 3 DVD bonus features.
  10. Meet the McPoyles Featurette Episode 10 Meet the McPoyles Featurette October 6, 2009, 6 min Included in Season 3 DVD bonus features.
  11. Dancing Guy Featurette Episode 11 Dancing Guy Featurette October 6, 2009, 22 min Included in Season 3 DVD bonus features.
  12. Gag Reel (Season 3) Episode 12 Gag Reel (Season 3) October 6, 2009, 22 min Included in Season 3 DVD bonus features.
  13. Episode 13 Season 3 TV Spots October 6, 2009, 22 min Included in Season 3 DVD bonus features.
  14. Episode 14 Easter Egg Featurette September 15, 2009, 22 min Included in Season 4 DVD bonus features.
  15. Blooper Reel (Season 4) Episode 15 Blooper Reel (Season 4) September 15, 2009, 22 min Included in Season 4 DVD bonus features.
  16. The Nightman Cometh Live Performance Episode 16 The Nightman Cometh Live Performance September 15, 2009, 50 min Included in Season 4 DVD bonus features.
  17. Dennis Reynolds: An Erotic Life Episode 17 Dennis Reynolds: An Erotic Life September 15, 2009, 8 min Included in Season 4 DVD bonus features.
  18. Blu-ray Disclaimer Episode 18 Blu-ray Disclaimer September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  19. Episode 19 The Gang’s Dating Profiles September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  20. Kitten Mittens Endless Loop Episode 20 Kitten Mittens Endless Loop September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  21. 23793 Photos in 5 Minutes – Schwep Dream Sequences Montage Episode 21 23793 Photos in 5 Minutes – Schwep Dream Sequences Montage September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  22. Deleted and Extended Scenes (Season 5) Episode 22 Deleted and Extended Scenes (Season 5) September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  23. Blooper Reel (Season 5) Episode 23 Blooper Reel (Season 5) September 14, 2010, 22 min Included in Season 5 DVD bonus features.
  24. “Lethal Weapon 5” Extended Cut Episode 24 “Lethal Weapon 5” Extended Cut September 13, 2011, 15 min Short amateur parody of the film franchise, including some scenes from Season's 6 "Dee Reynolds: Shaping America's Youth" episode.
  25. Dennis and Dee’s Podcasts – Terrorists Episode 25 Dennis and Dee’s Podcasts – Terrorists September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  26. Dennis and Dee’s Podcasts – Serial Killers Episode 26 Dennis and Dee’s Podcasts – Serial Killers September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  27. Dennis and Dee’s Podcasts – Border Patrol Episode 27 Dennis and Dee’s Podcasts – Border Patrol September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  28. Blooper Reel (Season 6) Episode 28 Blooper Reel (Season 6) September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  29. Deleted and Extended Scenes (Season 6) Episode 29 Deleted and Extended Scenes (Season 6) September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  30. Legal Advice with Jack Kelly Episode 30 Legal Advice with Jack Kelly September 13, 2011, 22 min Included in Season 6 DVD bonus features.
  31. Artemis Tours Philadelphia Episode 31 Artemis Tours Philadelphia October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  32. Blooper Reel (Season 7) Episode 32 Blooper Reel (Season 7) October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  33. The Gang Goes to the Jersey Shore Commentary Episode 33 The Gang Goes to the Jersey Shore Commentary October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  34. The Anti-Social Network Commentary Episode 34 The Anti-Social Network Commentary October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  35. The Gang Gets Trapped Commentary Episode 35 The Gang Gets Trapped Commentary October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  36. The High School Reunion Part 2 Commentary Episode 36 The High School Reunion Part 2 Commentary October 9, 2012, 22 min Included in Season 7 DVD bonus features.
  37. Lady House: The Lost Premiere Episode 37 Lady House: The Lost Premiere September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  38. Frank Reynolds’ How to Be a Warthog Episode 38 Frank Reynolds’ How to Be a Warthog September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  39. Fat Mac: In Memoriam Episode 39 Fat Mac: In Memoriam September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  40. Deleted Scenes (Season 8) Episode 40 Deleted Scenes (Season 8) September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  41. Gag Reel (Season 8) Episode 41 Gag Reel (Season 8) September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  42. Pop-Pop The Final Solution Commentary Episode 42 Pop-Pop The Final Solution Commentary September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  43. The Gang Recycles Their Trash Commentary Episode 43 The Gang Recycles Their Trash Commentary September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  44. The Maureen Ponderosa Wedding Massacre Commentary Episode 44 The Maureen Ponderosa Wedding Massacre Commentary September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  45. Charlie’s Mom has Cancer Commentary Episode 45 Charlie’s Mom has Cancer Commentary September 3, 2013, 22 min Included in Season 8 DVD bonus features.
  46. Every Damn Take of Charlie’s Theme Song Episode 46 Every Damn Take of Charlie’s Theme Song September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  47. Episode 47 Lethal Weapon 6 Director’s Cut September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  48. Gag Reel (Season 9) Episode 48 Gag Reel (Season 9) September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  49. Episode 49 The Movement Promo September 2, 2014, 22 min Season 9 promo as the show moves to FXX. Included in Season 9 DVD bonus features.
  50. Sweet Dee’s Comedy Reel Episode 50 Sweet Dee’s Comedy Reel September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  51. Episode 51 The Invigaron Presentation September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  52. Episode 52 The Gang Does 100 Episodes September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  53. Episode 53 Transition Promo September 2, 2014, 22 min Season 9 promo as the show moves to FXX. Included in Season 9 DVD bonus features.
  54. The Gang Broke Dee Commentary Episode 54 The Gang Broke Dee Commentary September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  55. The Gang Tries Desperately to Win an Award Commentary Episode 55 The Gang Tries Desperately to Win an Award Commentary September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  56. Episode 56 The Gang Saves the Day Commentary September 2, 2014, 22 min Included in Season 9 DVD bonus features.
  57. Episode 57 Gag Reel (Season 10) January 5, 2016, 22 min Included in Season 10 DVD bonus feature.
  58. Gag Reel (Season 11 & 12) Episode 58 Gag Reel (Season 11 & 12) September 4, 2018, 22 min Included in Season 12 DVD bonus feature.
  59. Gag Reel (Season 13) Episode 59 Gag Reel (Season 13) August 27, 2019, 22 min Included in Season 13 DVD bonus feature.
  60. Gag Reel (Season 14) Episode 60 Gag Reel (Season 14) September 1, 2020, 22 min Included in Season 14 DVD bonus feature.
  61. Gag Reel (Season 15) Episode 61 Gag Reel (Season 15) December 1, 2021, 22 min Included in Season 15 DVD bonus feature.
  62. Episode 62 A Very Sunny Christmas Blu-ray Disclaimer December 10, 2010, 22 min Blu-ray SD Disclaimer
  63. It’s Always Sunny in Philadelphia Christmas Singalong Episode 63 It’s Always Sunny in Philadelphia Christmas Singalong December 10, 2010, 22 min It's Always Sunny in Philadelphia Christmas Singalong from the "A Very Sunny Christmas" home release
  64. Episode 64 Behind the Scenes ” A Very Sunny Christmas” December 10, 2010, 22 min Behind the Scenes " A Very Sunny Christmas"
  65. Young Charlie and Mac Deleted Scenes Episode 65 Young Charlie and Mac Deleted Scenes December 10, 2010, 22 min Deleted Scenes from "A Very Sunny Christmas" of Charlie and Mac as children
  66. Episode 66 Jack Kelly, Attorney at Law March 9, 2016, 2 min Jack Kelly commercial.
  67. Gag Reel (Season 16) Episode 67 Gag Reel (Season 16) August 2, 2023, 7 min Released on YouTube.
  68. Gag Reel (Season 17) Episode 68 Gag Reel (Season 17) August 22, 2025, 9 min Released on YouTube.