"Mr. Robot" was not officially cancelled; it concluded with its fourth season, which aired in 2019. Creator Sam Esmail intended for the show to have a finite narrative arc, allowing the story to reach a satisfying conclusion. The decision to end the series was based on artistic vision rather than cancellation due to low ratings or network decisions. Esmail wanted to ensure that the show's themes and characters received a proper resolution, which he felt was best achieved by wrapping it up after four seasons.

In "Mr. Robot," Elliot Alderson, played by Rami Malek, struggles with several mental health issues, primarily social anxiety disorder and depression. He also exhibits symptoms of dissociative identity disorder, which manifests as his interactions with the character Mr. Robot, who represents an alternate identity. Elliot's mental illness significantly impacts his perception of reality, relationships, and his actions throughout the series, highlighting themes of isolation, identity, and the struggle with mental health.

Yes, "Mr. Robot" is definitely worth watching. The series, created by Sam Esmail, is a gripping psychological thriller that delves into themes of hacking, mental health, and societal issues. It follows Elliot Alderson, a cybersecurity engineer and hacker with dissociative identity disorder, as he becomes involved in an underground hacktivist group. The show is praised for its unique storytelling, strong character development, and a thought-provoking examination of the digital age. Its intense narrative and stylistic direction make it a standout series.

As of October 2023, "Mr. Robot" is not available on Netflix. The series, which aired from 2015 to 2019, is primarily available for streaming on platforms like Amazon Prime Video and USA Network's own streaming service. Availability may vary by region, so it's always a good idea to check your local streaming services for the most current options.