League History
| Season | Cycle | Players | Season Closed |
| Psychic Season | 2009 | 18 | 12 Apr 2009 |
| Lightning Season | 2009 | 23 | 01 Mar 2009 |
| Water Season | 2009 | 26 | 18 Jan 2009 |
| Fire Season | 2009 | 14 | 30 Nov 2008 |
| Grass Season | 2009 | 25 | 19 Oct 2008 |
| Sunyshore City | 2008 | 23 | 30 Aug 2008 |
| Snowpoint City | 2008 | 19 | 19 Jul 2008 |
| Canalave City | 2008 | 19 | 07 Jun 2008 |
| Hearthome City | 2008 | 15 | 26 Apr 2008 |
| Pastoria City | 2008 | 14 | 15 Mar 2008 |
| Veilstone City | 2008 | 17 | 02 Feb 2008 |
| Eterna City | 2008 | 20 | 22 Dec 2007 |
| Oreburgh City | 2008 | 22 | 10 Nov 2007 |
| Viridian City | 2007 | 27 | 18 Aug 2007 |
| Cinnabar Island | 2007 | 19 | 07 Jul 2007 |
| Fuchsia City | 2007 | 10 | 26 May 2007 |
| Saffron City | 2007 | 10 | 14 Apr 2007 |
| Celadon City | 2007 | 15 | 03 Mar 2007 |
| Cerulean City | 2007 | 9 | 09 Dec 2006 |
| Pewter City | 2007 | 13 | 28 Oct 2006 |