According to WikiAnswers "Jon Gosselin stated in an interview that they have recently signed on for 5th season of their popolare reality mostra 'Jon and Kate plus 8' with an option for 2 più seasons after that.
So, there is a chance there will be a 6th and 7th season, it all depends on the Gosselins, the ratings, TLC, the sponsor and the fans." See here;
link I Amore this mostra and hope that things continue as long as they can for the children and the fans. I wish The family all the best and hope that things work out be it together o apart.