 It features popular foreign series such as "Gossip Girl", "Friends", "One Tree Hill", "Monk", "The Following", "Prison Break", "Violetta" or "NCIS" as well local Polish productions.It is available via cable and satellite service and it is one of the most popular channels in Poland, according to AGB Nielsen Media Research.In December 1996, RTL Group, Europe's largest TV, radio and production company, which is majority-owned by German media conglomerate Bertelsmann, launched RTL 7, a private television channel in Poland.