The third season of the American television comedy series Rules of Engagement premiered as a mid-season entry on March 2, 2009 and concluded on May 18, 2009. It consists of 13 episodes, each running approximately 22 minutes in length. CBS broadcast the third season at 9:30 pm in the United States.
Audrey discovers that Russell is really a closet Broadway-musical fan, and uses this knowledge to her advantage by blackmailing him for tickets. Meanwhile, Adam and Jennifer decide to take dancing lessons.
Audrey has to keep her bet to Jeff by finishing what she starts. We meet Russell's new assistant.
Jeff learns a fact about a friend he just met at the gym and Russell has doubts about the family history of a new girlfriend.
Jeff's father arrives after spraining his ankle and expects Audrey to wait on him hand and foot while he re cooperates. Meanwhile, Russell begins to regret a one-night stand after she won't leave his apartment.
Jeff and Audrey are invited to dinner with Jennifer and Adam, but tell a lie so they can attend a better bash that evening. Russell also attends the same party and manages to offend former NFL great, Jerry Rice.
When Timmy gets tired of Russell's demands and Audrey gets fed up with her terrible assistant, the two work together to find a solution. Meanwhile, Jeff's superstition gets the best of him as he tries to recreate the exact conditions of the Giants' win.
After being harassed for falling asleep during a movie, Jeff tries to prove to Audrey that he's still young by inviting her to his softball game.
Frustrated over the attention a pregnant co-worker is getting, Audrey pretends she too is pregnant in order to get special treatment.
Russell issues a competition between the guys to see who can convince their partners to engage in sex more easily.
Jeff doesn't get any dinner after someone else eats it before he does. Now he has to keep quiet about it.
Audrey makes a bad mistake after a friend, whose marriage is falling a part, is doing something bad when he hugs people.
Audrey convinces Jeff to go out on the town and do something exciting after making a profit from the sale of his car. After the lavish night has finished, she regrets the decision after finding out they spent much more than he made.