Mr. Robot

Each Season 1 episode name ends in a video file name extension like .flv or .mov. In Season 2 ends in an "encrypted file" format.

The main cast along with creator Sam Esmail went to hacking seminars in preparation for their roles. In addition, Rami Malek had a typing instructor to prepare scenes involving programming.

In the first episode, when Elliot encounters Mr. Robot for the first time inside the train, if you look a little more to the right you can see the show's creator Sam Esmail.