Complex sentence: It first premiered in France on 6 January 1999 on TF1, and then premiered in the UK on 2 May 1999 on ITV1 and finally in the US in syndication on 30 August 1999.
Split into simpler sentences: It first premiered in France on 6 January 1999 on TF1. Then it premiered in the UK on 2 May 1999 on ITV1 and finally in the US in syndication on 30 August 1999.