|1998-2000||2000-2006||2006-2007 (also used as a on-screen bug)||2007-present|
Nasza TV was sold to Polsat Television and was recreated as TV4. On the 1st April 2000, that's not a april fools joke. The frequencies of old Polsat 2 was replaced by TV4, and the frequencies of Nasza TV was replaced by new "Polsat 2 Info".
2006-2007 (also used as a on-screen bug)