Original sentence: The episodes of the on-going British documentary Meerkat Manor first premiered on Animal Planet International in the United Kingdom on 12 September 2005.The fourth series premiered in the United States on 6 June 2008 with the subtitle of The Next Generation
Edited sentence: The episodes of the British documentary Meerkat Manor first premiered on Animal Planet International in the United Kingdom on 12 September 2005.The fourth, and final, series premiered in the United States on 6 June 2008 with the subtitle of The Next Generation