In the hour long season four premiere, Michael hosts a Fun Run for the Scranton Business Park. A freak accident leads him to believe the office is cursed, and he questions his employees' religious beliefs. The office relationships are also explored, with Pam and Jim's new romance and Dwight and Angela's continuing relationship.

Ryan returns to his old office and reveals his plan to bring technology to Dunder Mifflin. Michael and Dwight try to prove that the personal touch is better than technology. Meanwhile, Jim and Pam reveal their relationship to the rest of the office, Kelly attempts to reunite with Ryan, and Dwight and Angela's relationship continues to plummet.

In a special hour long episode, Ryan returns to Scranton with a plan to bring Dunder Mifflin into the digital age by launching a new website - Dunder Mifflin Infinity. Michael is worried about ageism and attempts to win back clients using old fashion business skills. Relationships are on the forefront as Ryan returns to an eager Kelly, Jim and Pam are outed to the office, and Angela is still upset with Dwight about her cat.

In this hour long special, its the launch of the new Dunder Mifflin Infinity website and Michael is anticipating going to the launch party in NYC. At the Scranton branch, Angela and the Party Planning Committee plan a satellite party. Meanwhile, Dwight competes against the website to be top seller of paper in a day.

In this hour long special, Michael is quickly going into debt with Jan renovating his condo. He tries to get money anyway he can including asking his employees for a loan. Meanwhile, Jim and Pam spend the night at Dwight's farm - now a bed and breakfast.

Dunder Mifflin decides to produce an ad, but things go awry when Michael hijacks the production. Dwight is busy also - exploring Second Life, an online website.

Karen, now the regional manager of the Utica branch, attempts to lure Stanley away from Scranton. When Michael objects, he brings Jim and Dwight into his "war." Meanwhile, the other office workers are disturbed by a "Finer Things Club."

Michael goes on a survival adventure into the woods - with nothing except the suit on his back - in retaliation of not getting an invite to a similar party from corporate. Back at the office, there is a birthday going on while Jim tries to revolutionize the party.

When Jan sues Dunder Mifflin, Michael is deposed as a witness. Kelly and Pam practice their trash talk when Darryl plays Jim at ping pong.

Out of excuses, Jim and Pam join Jan and Michael for a dinner party. Things get complicated when Andy and Angela are asked to join, and Dwight's jealousy gets the best of him.

Michael gets fascinated by a chair model in a catalog, leading to a desire to move on from Jan. Kevin and Andy team up to gain parking spaces back for Dunder Mifflin lost during another complex tenant's construction work.

Ryan gets the surprise of his life when Michael and Dwight travel to NYC to go clubbing with him and his friends. Back in Scranton, the staffers are upset that they have to spend Saturday working on Dunder Mifflin Infinity, and Jim's attempt to rescue them doesn't go as planned.

After Stanley snaps at Michael during a meeting, Toby tries to convince him that Stanley needs to be dealt with. Dwight buys Andy's car. Pam's forced to wear old glasses instead of her contacts.

Michael is busy manning a job fair at Pam's alma mater, trying to find a summer intern. In an attempt to woo a major client, Jim, Andy, and Kevin go golfing.

Toby leaves Dunder Mifflin, and Michael plans a huge goodbye party... out of joy. Angela refuses to help with it, so Michael turns to Phyllis. Dwight and Meredith harass Holly, their new HR representative.