The Good Doctor is the series, which is about Medical drama.
So far, three seasons have been released. These seasons were aired on ABC. The first season has 18 episodes and released from September 25, 2017, to March 26, 2018.
The second season was released from September 24, 2018, to March 11, 2019. It has 18 episodes. The third season was released from September 23, 2019, to March 30, 2020. It has 20 episodes. The length of the episode is about 40 to 45 minutes.
The first season was managed to get a 62% rating by Rotten Tomatoes. This much rating in an opening season that means this series is at least worth watching once. From the critics, this series was able to get pretty much mixed and average reviews and ratings.
So overall, we can say this series was able to be in the excellent book of the critics. And of course, the audience loves the series.

Good Doctor Season 4: Plot
We did see that in season 3, Dr. Neil Melendez died, at last, so we can expect that there will be one new character in season 4.
We can expect that Dr. Shaun Murphy will be in a more superior role in season 4. So, we will see how he will tackle this situation.
That will only make this season more entertaining. Stay tuned for more updates.
Good Doctor Season 4: Cast
There hasn’t been any confirmed news about the cast, but we can expect Freddie Highmore to be seen as Dr. Shaun Murphy.
Antonia Thomas can be seen as Dr. Claire Brown. Hill Harper is also expected to be back as Dr. Marcus Andrews. Christina Chang can reappear as Dr. Audrey Lim.
We can also expect some more cast to be back from previous seasons and also expect some new faces.

Good Doctor Season 4: Release Date
One good news for fans ABC renewed The Good Doctor for Season 4, so there will be Season 4.
In somewhere around February 2020, ABC did renew The Good Doctor for Season 4.
There is no confirmed news yet about the release date of The Good Doctor Season 4, but we can expect it somewhere around the end of 2020 or early 2021.