<Tr> <Td_colspan="2"> ← Previous Season 4 </Td> </Tr> <Tr> <Td_colspan="2"> List of The New Adventures of Old Christine episodes </Td> </Tr> <P> The fifth and final season of The New Adventures of Old Christine premiered on September 23, 2009 and concluded on May 12, 2010 . It consisted of 21 episodes . </P> <P> In this season, following Barb's arrest she is rescued by Christine, Matthew and new boyfriend Dave . While Richard tries to win New Christine back, he temporarily moves into a new apartment with Matthew . Christine begins going to therapy, but she is attracted to her therapist, Max . They eventually abandon Christine's therapy and strike up a relationship instead . New Christine announces that she is pregnant, causing Richard to rekindle his relationship with her and New Christine eventually gives birth to a baby girl . Meanwhile, Barb becomes engaged to a reluctant Dave . At the conclusion of the season, Christine also becomes engaged to Max, but she feels intimidated by his very educated friends so she decides to return to college . </P>

When did the new adventures of old christine end