The award for the biggest idiot has to go to Octavia. For some inexplicable reasons she wants to fight. In order to do that she would even kill her brother, the most important person in her life. Half of the grounders were against her already and after Monty's hydrofarm miracle a mutyny started. So Octavia goes and destroys the farm. For no other reason than her wanting to fight. And what is the grounders' reaction? Oh cool, the farm sucked anyway, let's go to war. A 5-year-old would write a better story.
The whole story arc of season 5 could have been solved in one episode. Ascend Maddie as new commander, get rid of Octavia, wait for McGreery to die cause of his lung disease and then share the valley with the rest.
Speaking about the valley. It was so huge that it could be observed with the bare eye from space. And now 1200 people can't live there together? What a joke.
Abby, the rational doctor, is a drug addict now. Don't get me even started on that. And of course there was a 6 year supply of designer drugs in the bunker, why not? As we all know extasy is essential for survival. And of course the same drugs survived 100 (HUNDRED) years on a space ship run by criminals.
So what about Clarke? She is dumb as well. Why is it so bad for Maddie to be Commander? The grounders would follow her at once. There would be no war and they could share the valley, Monty could recultivate the turf and spread life.
Season 5 is by far the worst season of The 100. Octavia and Abby are annoying as freak. None of their actions make any sense. Noone would follow Octavia, every moves she makes is just so stupid.