Oprah's final episode nervousness - and the post show parties and VIP reception which took place that you don't know about.

For the first time the secrets are revealed about what really happened behind the scenes and after the conclusion of the very final episode of The Oprah Winfrey Show.

Oprah Winfrey is now revealing the moment when she started to feel nervous and emotional during the final episode. And what viewers don't know is that there was a VIP post show reception she didn't know about, as well as a massive staff party the next day she threw for her loyal Harpo staff.

The Oprah Show is still running on weekday afternoons in South Africa but concluded with its last three episodes at the end of May in America. Those last three episodes was also quickly scheduled and shown in primetime in South Africa in June. In Season 25: Oprah Behind the Scenes – the documentary reality show on Winfrey's OWN TV channel that's revealing what really went on behind the scenes – just gave the final episode a special three episode treatment. This show is now lifting the lid on what actually happened during the last episode and immediately after it.

During the finale when it was just Oprah Winfrey talking to the audience, the Harpo building was basically empty, with only a few producers not working on the actual episode, gathering together for champagne and two separate viewing parties in two empty, packed-up offices. Rosie O'Donnell and her production team is now going to use the Harpo studio for her new talk show on OWN.

''I wasn't having butterflies,'' reveals Oprah Winfrey while she was getting her hair and make-up done for the finale and was listening to Aretha Franklin on her iPad singing Amazing Grace. Meanwhile her friend Gayle King who brought her daughter Kirby along, was filming Oprah Winfrey with her cellphone camera while Oprah's boyfriend Stedman Graham sat silently holding her hand. ''It's not a funeral is it?'' he asked, to which Oprah Winfrey just said, ''No'' and laughed.

For more on what happened after the finale, click on READ MORE below.

''I didn't get nervous until I shut the elevator and I could feel my heart starting to race. I realized I'm starting to take on everybody's energy,'' Oprah Winfrey reveals. ''Also, standing behind the giant LED wall waiting for it to open, I started to feel that again, and I said to myself 'In God I move and breath and have my being' and then it opens! So when you see me walk out that is what I'm saying to myself.''

Viewers didn't see them, but sitting in the final studio audience was Suze Orman, as well as next to Gayle King, Maria Shriver and Bob Greene, Oprah Winfrey's longtime trainer. Her floor manager, Dean who viewers often saw over the years, wore a white collared shirt.

''Dean's been with me for 21 years. It’s the first time I see him in a full shirt and not a T-shirt,'' she told the audience during a break while she grabbed Dean's hand. Meanwhile the production crew and staff started to cry in the control room, including Sheri Selata, the executive producer. ''The only time I actually started to tear up was when I talked about the show being the great love of my life,'' says Winfrey. ''It felt like an ending and a beginning. I want people to know that it's a good thing.''

''Coming through the hallways afterwards, my first though was: Oh this is a lot of people. It was very moving to see all of my support system,'' says Oprah Winfrey. The production crew ran out of the control room to the corridor as well. ''I was fine until I saw Sheri. That's when I got really emotional. To go up the stairs I was just happy with a sense of 'It is done.''

When she picked up her dog Sadie, saying ''We did it Sadie, we did it,'' she had actually already kicked off her high heels when she reached the corner of her office. ''People asked me was that staged? It wasn't staged because there was nobody left upstairs. Upstair there was nobody except Sadie and myself.''

A post show VIP reception followed which included celebrity friends like Tyler Perry and Oprah Winfrey's primary school teacher Miss Duncan who attended the final show recording. After that there was a post show meeting with champagne and snacks where Winfrey and the producers had to decide what bit to cut since the episode ran 5 minutes too long. Meanwhile the staff started lunch since Jon Stewart sent over a huge spread of food for the entire company with a mobile deli and chefs.

The next day the staff dressed up for a formal farewell party that Winfrey hosted in a massive tent. ''Whether you're staying with Harpo or going off to your own ventures, it's going to be fine,'' she told them.