Article featuring Colin in Adelaide Now. The article offers nothing new except spoilers for previous episodes from series 4 for those who haven't seen them.
"I think the series is at its strongest when it goes a little bit darker. It will always have elements of humour but we're entering into serious territory now. You see our characters going through these huge emotional things that are going to change their lives forever. They are stories that shouldn't be taken lightly. We're not afraid to go in that direction."
Read interview here.