Ladies and Gentlemen;

Leaked episode was not fake, It was a bug which developers didn't notice. However, If you watched the episode, you had to consider that episode was not properly prepared as expected. Since, you watched episode before its air date. There will be rearrangments for sound,color and a lot of feature to be done.

So, If you didn't feel anything or you had a sense episode was weird, It probably was because of this reason. Sounds, visual techniques etc. have an important effect on human sense.

However, I don't like the idea which Red John is Mccallister, too. They didn't answer many questions. But think about it, think about Jane's side. Mccallister's (aka Red John) only deficiency was to be appreciated. He continuesly asked for Jane about questions that we were wondering. On the other hand, Jane ignored his requests. He simply said that he didn't care. If he followed the answers, he could be hurted and could be manipulated. And the most important thing was that he didn't want to give Red John what he wanted, to be appreciated.

He directly asked him: "Did you feel sorry for killing my wife and daughter?" Patrick made him sorry. 
He directly asked him: "Are you afraid of death?" Patrick confirmed he was afraid of death.

And happy ending. He executed his punishment in return for revenge.

The episode was not perfect but it was not also the worst episode. 

Why the hell did they make him appear in the promo when he is really Red John ?

Whyyyyyyyyyyyyyy ???

thank YOU CBS

Are you seriously kidding me. We've been waiting six years for this moment, SIX years. For six years Bruno Heller portrayed Red John like a God, a psychic. Always seemed to be more intelligent than Jane, always one step ahead. Always taunting him and reminding him that he's always ahead. But when they come face to face he cries and whines like a pussy. Even calls 911. I mean.. Seriously? The Mentalist was by far my most favourite TV series of all time. But the big reveal was just a product of over hyped disappointment. We have to face reality guys, the leaked episode that we watched was a real one. We didn't watch a fake episode, it's just impossible. This goes down as one of the biggest TV disappointments of all time. But without a doubt I'm still a fan of the show and will continue watching it. There's no way in hell Bruno Heller will leave so many questions unanswered.

this one is from promo: http://picturf.com/i/6Sf 
this one is from the link we have: http://picturf.com/i/6Sf
this might be a clue that we have a fake version that leaked on purpose to surprise us

DarkUFO from the Staff of SpoilerTV just confirmed this was the episode they were sent to review.

"Sometimes you're forced to hate the conclusions or the wrapping things up in silly, absurd ways or in fact — naming no shows — it turns out they didn't have any idea how they were going to end the show or what the secret was or why there were polar bears. We have the answers and it's very important to us, for those people who have been following us from the start, to revealnot in a series of cryptic moments that leave a lot of questions begged. We're going to tell the story and explain who Red John is and what happened and what is going to happen as clearly as possible because the audience deserves that." Bruno Heller, lying his ass off. 

I honestly don't know which one is worse: he had this shitty ending in mind all along or he didn't know what to do and came up with this crap this year.

I've just watched the "red john" episode and I'm sooo disappointed. IMO all this crap can be seen in 2 different perspectives:
1) This IS NOT the real episode that will be on air this sunday
2) This IS NOT the end of the Red John saga. 
It must be one or the other. 

Please give me your thoughts about this.

So it seems i have been too quick at thinking the leak didn't exist, it was no crap, my bad.
Indeed the link doesn't work outside the US but with a simple Hotspot Shield it works perfectly.

The episode is simply not final showdown material (the crumbs/pigeon thing for example) and I can't picture BH being satisfied of this episode.

Also, how could the episode leak when it never happened before? The channel and the production have people monitoring internet that must have heard about the leak hours ago and could have shut it down in no time with the means they have.

For these two reasons i believe there is a twist and a different episode will air on Sunday.
Then again I am maybe just deluding myself.