No, Medium isn't based on actual events. It's a fictional work that weaves a story through the author's imagination and storytelling skills. There might be some common themes or tropes, but it doesn't have a basis in reality.
It varies. Many TV shows claim to be based on true events, but they often take liberties in the storytelling to make it more engaging. Some might be loosely based on reality, while others have no connection at all.
Yes, there are quite a few. For example, 'Chernobyl'. It is a great TV series based on the real - life Chernobyl disaster. The show accurately depicts the events leading up to the explosion, the chaos that ensued, and the heroic efforts of those who tried to contain the damage. It uses real - life accounts and research to create a very immersive and educational viewing experience.
The lack of complete information can be a headache. In many true stories, not all the details are known or documented. So the creators have to fill in the gaps somehow, and this can be tricky. They have to make educated guesses while still maintaining the integrity of the story. Also, different people may have different versions of the same event, so deciding which version to use is difficult.
They are often very realistic. Since they are based on true events, they can't deviate too much from the facts, which gives a sense of authenticity. For example, in 'Chernobyl', the sets, costumes and dialogues all aim to recreate the time and situation accurately.