Get the Girl
The Office Season 8 Episode 19 (03/15/12)
Andy goes to Florida to win over Erin and bring her back to Scranton. She is reluctant at first, because he broke her heart, but with Irene's blessing Erin finally gives in. They are back together and heading back to Scranton.
While Andy was gone, Nellie came to Scranton and took over his office. She claimed that she was the new manager and started giving everyone raises. Robert didn't stop her, so she continued to act as the new manager of Dunder Mifflin Scranton.