she will not graduate after her poor performance in the Eye of the Needle and Lance knows he still needs to learn more in order to graduate. Dale also wants to graduate, but her performance says otherwise; Dale claims that her medical issues are preventing her from continuing in her rehab. Dean is at the top of everyone's graduation shortlist, with Philippe even claiming that Dean is the only person on his shortlist. Dean graduates, but the experts also believe that Dale's medical problem will prevent her from continuing. Because only one person may leave per episode, though, Dale is forced to make the final choice. She ultimately chooses to let Dean go free over her own health, making Dean the next to leave the Driver Rehabilitation Centre, once again guaranteeing that there won't be three men in the finale. Web extras for this episode: Dean's Graduation – Dean reflects on his experiences and that going at high speed can be lethal. He also reflects on the proper posture for driving and how it contributed to not speeding like he had before. Brian also makes notes of Dean's improvements and Dean summarizes his experiences as "entering as an aggressive driver and leaving as a perfect driver." Episode 7 Original airdate: December 6, 2010 The Trough: The challenge from the previous season returns, in which the contestants must drive the Jeep TJ on a course made of a series of concrete Jersey barriers placed on their side. Contestants must remain on the concrete at all times; if the TJ slips off or gets stuck, the contestants must start over. Lance is unable to go through the course in the one-hour time limit. Jamie makes it across on her third try after panicking on her first two attempts. Because the nature of the course may aggravate Donna's shoulder injury, Andrew must accompany Brad. He makes it about three feet from the end in the final run before running out of time and scraping the bottom of the truck. Andrew also accompanies Dale on her run (John sits out due to extreme heat) and Dale promptly gets herself stuck repeatedly. Distracted Driving: The annual lesson on why distracted driving (especially texting while driving) should not be done has contestants drive a figure-eight course while doing many things at the same time. Dale, who had driven straight through her garage door on one occasion,