Just one episode left of "Mr. Robot."

For those who did not see last night's episode, please stop reading now.

"Mr. Robot" is actually Elliot, according to CarterMatt, a figment of his imagination. This was revealed in last night's episode.

During the episode, Elliot (Rami Malek) has gone officially crazy to a point where he was talking to his dead father (Christian Slater.) The opening scene where Elliot and his father confronted one another makes for one of the best scenes of the season. Sadly, Elliot's past will come back to haunt him in the season finale and in Season 2.

So what will happen in the season finale? The promo below for the finale, titled "eps1.9_zer0-day.avi," does not reveal much. Probably the biggest storyline heading to the finale is the mindset of Elliot. Will his dead father show up again in his mind? How will his new alliance with Tyrell Wellick (Martin Wallström) end up?

It has been a rough couple of episodes for Tyrell. He is suspected of killing his boss's wife and now his wife wants a divorce. To make matters even worse, he has been fired from Evil Corp. During the end of the show, Tyrell and Elliot made an unlikely partnership as both visited Fsociety headquarters, planning a hacking operation.

Tyrell asked Elliot: "Why do you do this?"

"I dont know. To save the world," Elliot responded.

As for Angela (Portia Doubleday) we learn that she quits her job at AllSafe and wants to work at her lawyer's firm. Unfortunately, she is rejected. But then She receives an unexpected visit from former Evil Corp Chief Technology Officer Terry Colby (Bruce Altman) who offers her a job. Angela refuses and kicks Colby out of her house.

Also, the partnership between Tyrell and Elliot. How will that work out? Since Tyrell is a murderer, in case he is arrested and convicted, Elliot might have to bail him out like he did with Vera. Looks like the two are planning a Evil Corp hack in the next episode.

So many questions and only one episode left.

"Mr. Robot" airs Wednesday at 10 p.m. on the USA Network.