Jan 13, 2015 - The Kosmik Radiation Top 25 of 2014 |
Apr 14, 2015 | Jul 14, 2015 | Oct 13, 2015 - More Cowbell special for Pledge Drive! |
| Jan 27, 2015 | Apr 21, 2015 | Jul 28, 2015 | Oct 27, 2015 |
| Feb 10, 2015 | Apr 28, 2015 - Pre-recorded compilation episode |
Aug 11, 2015 | Nov 3, 2015 - Unamerican show |
Feb 24, 2015 - Colours special for Pledge Drive! |
May 5, 2015 | Aug 18, 2015 | Nov 10, 2015 |
| Mar 10, 2015 | May 12, 2015 - Kosmik Radiation 10th Anniversary and 500th episode! |
Sep 8, 2015 | Nov 24, 2015 |
| Mar 24, 2015 | May 19, 2015 | Sep 22, 2015 | Dec 8, 2015 |
May 26, 2015 - Miles Davis & Bob Dylan Birthday Special |
Dec 22, 2015 - FZ-JB-Xmas! |
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Jun 9, 2015 - Eighties & Nineties Underground special for Pledge Drive! |
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| Jun 23, 2015 |