Erin did find her birth parents in the office. It was in the series finale of The Office, titled “Finale”, where this heartwarming moment took place. Throughout the show, Erin had been searching for her birth parents and it was a significant storyline for her character.
During the final episode, a documentary about the office was released and Erin’s birth parents happened to see it. They were touched by Erin’s story and decided to attend a Q&A forum with the office members. This was a pleasant surprise for Erin as she had no idea her birth parents would show up.
When Erin saw her birth parents in the audience, she was overwhelmed with emotions. It was a beautiful and emotional reunion as they embraced each other. Erin finally had the chance to meet the people who had given her up for adoption and learn more about her background.
The exact details of the reunion were not shown in great depth, but it was implied that Erin had a positive experience reconnecting with her birth parents. It was a moment of closure and happiness for her, as she had been searching for her identity and roots for a long time.
As for Erin’s romantic relationship, it is suggested that she is still dating Pete. In the final scenes of the episode, Dwight and Angela’s wedding is shown, and Erin and Pete can be seen dancing together. This implies that they are still together and enjoying each other’s company.
Erin’s storyline in the series finale of The Office provided a satisfying resolution to her search for her birth parents. It was a touching and heartwarming moment that brought closure to her character arc.