It started really slow on season 1 kept on watching for the fact that Phil Coulson was in it but my god what a journey the show has made for past 7 years. It was emotional, humorous, action packed, thrilling and intriguing. The ending season was basically a gift to long time watchers by bringing back so many old faces and story-lines from previous seasons. Very logical and satisfying ending of the series and creating a big possibility for spin-offs.