| ID | Interpret | Skladba | Album | |
| 61. | Series 6000 - The General | DOLPHIN - TWO DOLPHINS SINGING, ANIMAL | Sounddogs.com |  |
| 62. | Healing the Earth Radio | Swimming With Dolphins: Freedom, Captivity, and Our Many Interconnections | | |
| 63. | Dr Chris Smith, The Naked Scientists | Why do dolphins surf the bow wave of ships? - The Naked Scientists 10.02.28 | The Naked Scientists The Science of Water Security - 10.02.28 | |
| 64. | Steve Dawson | The Conservation Biology of Hector's Dolphins: the Real Cost of Fish and Chips | Nicholas Talks | |
| 65. | Coverville | Coverville 2004-10-07 | No Stinking Covers! | |
| 66. | Coverville | Coverville-2004-10-31 | Some Halloween-inspired covers... | |
| 67. | Coverville | Coverville-2004-11-11 | Album Covers | |
| 68. | Coverville | Coverville 2004-10-01 | When Good Celebrities Make Bad Covers | |
| 69. | Coverville | Coverville-2004-11-14 | Blanket of Secrecy, Iggy Pop, Diff'rent Strokes, Moog Cookbook and Opie Gone Bad | |
| 70. | Coverville | Coverville 2004-10-07 | No Stinking Covers! | |
| 71. | Coverville | Coverville-2004-10-18 | Live From gate C20 in Chicago O'Hare Airport | |
| 72. | Coverville | Coverville-2004-10-31 | Some Halloween-inspired covers... | |
| 73. | Coverville | Coverville-2004-10-20 | Requests and Double Takes | |
| 74. | Coverville | Coverville-2004-11-16 | Sid Vicious, Trip Shakespeare, Paul Carrack, Too Much Joy, The Church and U2 | |
| 75. | Coverville | Coverville-2004-11-04 | Coverville Artist Feature: ABBA | |
| 76. | Coverville | Coverville-2004-11-11 | Album Covers | |
| 77. | Coverville | Coverville-2004-11-04 | Coverville Artist Feature: ABBA | |
| 78. | Coverville | Coverville-2004-12-23 | The 2004 Coverville My Favorite Cover Countdown 2 | |
| 79. | Brian Ibbott | Coverville-070705-About A Boy | Coverville | |
| 80. | Brian Ibbott | Coverville-090625 | Coverville | |
| 81. | Coverville | Coverville-2004-11-07 | Material Issue, Mandy Moore, Liz Phair, The The and The Beautiful South, plus Metisse | |
| 82. | Coverville | Coverville-2004-11-07 | Material Issue, Mandy Moore, Liz Phair, The The and The Beautiful South, plus Metisse | |
| 83. | Coverville | Coverville-2004-12-30 | The 2004 Coverville My Favorite Cover Countdown 5 | |
| 84. | Coverville | Coverville-2004-12-28 | The 2004 Coverville My Favorite Cover Countdown 4 | |
| 85. | Coverville | Coverville 2004-10-10 | A Little Bit Covers, A Little Bit Rock and Roll | |
| 86. | Coverville | Coverville-2004-12-09 | Triple Takes II | |
| 87. | Coverville | Coverville 2004-10-10 | A Little Bit Covers, A Little Bit Rock and Roll | |
| 88. | Coverville | Coverville-2004-11-16 | Sid Vicious, Trip Shakespeare, Paul Carrack, Too Much Joy, The Church and U2 | |
| 89. | Coverville | Coverville-2004-10-25 | Live From Corpus Christi, TX! | |
| 90. | Coverville | Coverville-2004-10-25 | Live From Corpus Christi, TX! | |
