the 100th episode of Numbers. Season 6 (2009–10) The sixth and final season premiered Friday, September 25, 2009, at 10:00 pm ET and the season finale aired on March 12, 2010, 3 days before Hirsch's 75th birthday. The season starts with the engagement of Charlie and Amita. Soon after, Larry turns down an opportunity to meet with mathematicians at CERN, in Geneva, and drops his course load for the following semester. This leads Charlie to realize Larry is once again leaving and leaving all of his work to Charlie. Don learns that his former mentor is crooked, causing Don angst to shoot his mentor. Charlie and Don realize that Alan has lost a substantial amount of money in his 401(k). After some delay, Larry leaves Los Angeles to find a vacant piece of land for sale within driving distance of the city. Alan decides to return to work and finds a job as a software technical consultant. David asks Don for advice about career paths within the FBI. Larry returns from the desert with a new theory about the universe's fate. Charlie and Amita begin planning their wedding and decide to join the Big Brother/Big Sister program to practice parenting skills. They get married before their move to England to teach at the University of Cambridge. Don loses his gun, recovers it after it is used in some vigilante murders, and gets engaged to Robin. He also decides to leave the team, taking an administrative position within the FBI. Before leaving, Charlie and Amita decide that the family garage should be converted to a guest house so Alan can continue living with them. Leaving Colby, Liz, and Nikki behind, David departs for Washington, DC, to a position as an anti-corruption team leader. Home media CBS DVD (distributed by Paramount Home Entertainment) has released all six seasons of Numb3rs on DVD in Regions 1, 2, and 4. On June 2, 2017, CBS DVD released Numb3rs: The Complete Series on DVD in Region 1. Awards and nominations Nicolas Falacci and Cheryl Heuton, the show's creators, have won several awards for the show, including the Carl Sagan Award for Public Understanding of Science in 2006, and the National Science Board's Public Service Award in 2007. Also, the show's stunt coordinator, Jim Vickers, was nominated for an Emmy Award for Outstanding Stunt Coordination in 2006 for episode 14 of Season 2, "Harvest". Representation of