on which network was it aired?
ABC
Agents of S.H.I.E.L.D. (season 4)
The first episode premiered at a screening on September 19, 2016, with the season then airing for 22 episodes on ABC, from September 20, 2016 until May 16, 2017. 
how many episodes are in season 4 of agents of shield 22 what is this series based on? It is based on the Marvel Comics organization S.H.I.E.L.D., a peacekeeping and spy agency in a world of superheroes. who are the agents of this organization? It is led Nick Fury as executive director. He reports to a twelve-member council, whose identities even he does not know. what does the acronym stands for? It stood for Supreme Headquarters, International Espionage and Law-Enforcement Division. what are the powers and abilities of the agent you mentioned? He can halt his age. He can be active despite being nearly a century old. what was his profession before entering this organization? A CIA agent. where was the season 4 that we discussed filmed? It is set in the Marvel Cinematic Universe.
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Agents of S.H.I.E.L.D. (season 4) [SEP] Introduction
The season is also affected by the events of the film "" (2016), and continues storylines established in the canceled series "Agent Carter". The first episode premiered at a screening on September 19, 2016, with the season then airing for 22 episodes on ABC, from September 20, 2016 until May 16, 2017. The premiere debuted to 3.58 million viewers, down from previous season premieres but average for the series. Critical response to the season was positive, with many feeling that each pod was better than the last and in particular praising the visual effects and tone of "Ghost Rider", the writing and acting of "LMD", and the character development and political commentary explored during "Agents of Hydra".