本季第一集由夏天八周开始（每一节一周），职员们参与企业减肥挑战，与其他分行竞争。

来谈谈道德吧－随着莱恩（B.J.诺瓦克）最近在企业的丑闻，霍莉（艾米莱恩客串）必须举办商业道德讲座。

有人身怀六甲－奥斯卡提名女星艾米莱恩客串演出。

丹德米福林公司打击罪恶－奥斯卡提名女星艾米莱恩客串演出。

爱情老是碍事－奥斯卡提名女星艾米莱恩客串演出。

顾客总是对的－德怀特（雷恩威尔森）和吉姆（约翰卡拉辛斯基）受到年度顾客调查报告后非常震惊。

到加拿大去－迈克尔（金球奖得主史蒂夫卡瑞尔）得知大卫华莱士（安迪巴克利）决定派他到加拿大公干，欢喜若狂。

办公室乱糟糟－办公室的神秘人物用微波炉的时候搞得乱七八糟，却又没有清理。

在办公室把盈余花掉－奥斯卡告诉迈克尔办公室必须把4300美元的盈余花掉，否则就会在下年度的预算中被扣掉。

摩洛哥的圣诞派对－菲莉丝（菲莉丝史密斯）的圣诞派对以摩洛哥为主题，生出熊熊火焰。

战斗到最后－办公室的人如履薄冰，因为安迪（艾德赫尔姆斯）还没发现未婚妻安吉拉（安吉拉金赛）与德怀特（雷恩威尔森）有染。

家族生意－迈克尔（金球奖得主史蒂夫卡瑞尔）和德怀特（雷恩威尔森）当卧底，对纸品竞争对手进行商业间谍活动。

办公室压力爆表－由杰克布莱克（《摇滚校园》）、杰西卡阿尔芭（《神奇四侠》）及克劳斯利特曼（《马尔柯姆的一家》）客串演出的特集。

上集：迈克尔斯考特巡回演说－迈克尔（金球奖得主史蒂夫卡瑞尔）到其他分行巡回演说，解释斯克兰顿分行相对成功的原因。跟他在一起的还有他的司机帕姆（珍娜费舍）。

下集：迈克尔斯考特巡回演说－迈克尔（金球奖得主史蒂夫卡瑞尔）到其他分行巡回演说，解释斯克兰顿分行相对成功的原因。跟他在一起的还有他的司机帕姆（珍娜费舍）。

到处洋溢着爱情的气息…算是吧。办公室里一起过情人节。

迈克尔的"金票"主意引起轰动。

新上司来了－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔的吊儿郎当达到新高峰－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔召集梦幻队伍－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔设公司午宴－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔和德怀特陷入高风险竞争之中－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔遇上清晨送货的问题和财务压力－伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔在两个推销组之间左右为难。

迈克尔把咖啡和舞蹈带到办公室来。

本季结局－斯克兰顿办公室出席公司野餐。奥斯卡提名女星艾米莱恩（《失踪的宝贝》）和伊德瑞斯艾尔巴（《火线》）客串演出。

迈克尔被卷进办公室的流言蜚语之中。

托比和德怀特当卧底，调查仓库中的事件。

经济不景气冲击丹德米福林公司。

吉姆和帕姆带办公室的伙伴到尼亚加拉大瀑布，他们的婚礼让人永志难忘。

黑道中人？

帕姆和吉姆从蜜月旅行回来，从迈克尔口中得知意外的消息。

万圣节特集－迈克尔在商业会议中引起轰动。

帕姆和吉姆被迫参加让人不舒服的四人约会－琳达珀儿客串演出。

她写下"谋杀"二字。

丹德米福林公司面对股东。

迈克尔许下不可能达成的承诺后，被迫说出真相。

迈克尔和菲莉丝为了得到当圣诞老人的特权而争执。

迈克尔想要给潜在买家留下好印象。

丹德米福林公司被收购了－凯西贝茨（《弱点》、《革命之路》）客串演出。

塞巴公司行政总裁来到办公室－凯西贝茨（《弱点》、《革命之路》）和扎克伍兹（《白鬼家族》）客串演出。

帕姆 子宫开始收缩，但她和吉姆 决心尽量等下去，这样他们在医院才能有更多时间。与此同时，办公室众人用食物和娱乐来分散帕姆对痛楚的注意力。

迈克尔吃力地讨好新上司－凯西贝茨（《弱点》、《革命之路》）和扎克伍兹（《白鬼家族》）客串演出。

推销员是国王－扎克伍兹（《白鬼家族》）客串演出。

办公室众人在城中享受美好晚上。

安迪想要给艾琳特别的"秘书日"。

迈克尔看不懂身体语言－艾米皮耶兹（《我家来个外国人》、《卡罗琳到城里去》）客串演出。

迈克尔怀疑他的女友出轨－艾米皮耶兹（《我家来个外国人》、《卡罗琳到城里去》）客串演出。

迈克尔变成熟了吗？艾米皮耶兹（《卡罗琳到城里去》）客串演出。

迈克尔想要找出泄密者的身份－凯西贝茨（《弱点》、《革命之路》）和扎克伍兹（《白鬼家族》）客串演出。

Michael refuses to fire the new office assistant after everyone complains about his bad attitude. Andy plays it cool after Erin shows interest in another man. Meanwhile, Pam tries to impress Jim by pulling an office prank of her own.

Corporate assigns Michael to counseling with Toby. Dwight vows revenge on the Steamtown Mall after a shop owner snubs him. Meanwhile, Pam conspires to change her job title.

Andy invites the entire office to his community theater production of Sweeney Todd in hopes that Erin will attend. Michael tries to put his jealousy aside and enjoy the performance while Jim and Pam struggle with their incompetent babysitter.

Michael, believing he has herpes, contacts all his ex-girlfriends, including Jan and Holly. Andy tries to play on Erin’s compassionate side by holding a sex education meeting for the office.

When a competing sales associate steals a Dunder Mifflin client, Michael, Jim and Dwight decide to set up a sting to find out his sales secrets. Andy decides to start a band after finding out a friend from college has a successful music career.

When Darryl takes an idea to corporate over his head, Michael freaks out. Everyone in the office is in a competitive mood as the Halloween costume contest gets underway. Meanwhile, Pam tries to get the truth out of Danny about their dating history.

Pam and Jim prepare for Cece's baptism. When Cece goes missing, Jim fears Angela has taken her.

An ostracized Michael does all he can to sabotage Gabe's party while Angela requests sex from Dwight.

Michael tries to save Ryan's company by encouraging co-workers to invest. Meanwhile, Dwight has big plans for the office at Thanksgiving.

After reading an article about China growing as a global power, Michael decides China must be stopped before they take over the US. Everyone in the office complains about Dwight's building standards and Pam threatens to move Dunder Mifflin to a new building.

Michael could not be happier when Toby has to take a leave of absence and corporate sends Holly Flax to cover for him. Pam is forced to do a second Christmas party after Michael wants the party to be on the day Holly returns to Scranton. Meanwhile, Jim regrets agreeing to a snowball fight with Dwight.

Michael prepares himself for the good or bad news about Holly and her boyfriend. In an effort to be an "awesome" office manager, Pam decides to put up a resolution board for everyone to post their New Year's resolutions.

Holly and Michael turn Andy's business seminar into an improv challenge. Erin and Gabe compete in a board game battle.

An emergency call from Helene forces Jim to abandon Michael at a gas station restroom, and Holly, Erin, and Dwight set out to rescue him. Gabe becomes offended at submissions to caption Pam's latest work of art.

The staff grows increasingly uncomfortable with Michael and Holly's PDAs. Jim and Pam regret a champagne luncheon. Andy horns in on a romantic treasure hunt Gabe arranged for Erin.

Michael screens his action film Threat Level Midnight to the office after eleven years of writing, shooting, re-shooting, and editing. The film features Michael as Agent Michael Scarn, Dwight as Scarn's sidekick, and Jim as archnemesis "Goldenface," as well as several people from Michael's past.

Traveling salesman Todd Packer comes to Dunder Mifflin looking for a desk job in the office. However, the office is unsure if they want him to work there due to his previous behavior. After dealing with computer problems, Andy confronts office administrator Pam to get a new computer.

The office holds a garage sale in the warehouse. Michael decides to propose to Holly, and runs into trouble thinking of how to do it well.

The new manager, Deangelo Vickers, has everyone hoping to make good first impressions: Andy finds himself awkwardly typecast while Jim and Pam worry that they've come on too strong. Only Dwight is apathetic about the new leader.

Michael trains Deangelo to take over his job of hosting the Dundie Awards, while Erin struggles with her dislike for her boyfriend, Gabe.

Michael wants to have a drama-free day at work on his last day before moving to Colorado. Meanwhile, Deangelo Vickers and Andy Bernard scramble to retain Michael's biggest clients.

When Deangelo plays favorites, his management style is exposed.

Dwight takes charge of the office and immediately imposes his will on the staff. Gabe hopes to get back together with Erin.

Deangelo's new replacement is sought out through a search committee process led by Jim.