For 63 Up, documentarian Michael Apted once again turns his compassionate yet unsentimental camera on the same group of British subjects he's been filming since 1964 at seven-year intervals. The Up? Series, as the project has come to be known, offers an unprecedented look at how people change over time ? their personalities more or less locked in place at age 7. At 63, the remaining interviewees who chose to participate ? Suzy, Sue, Tony, Paul, Symon, Nick and Neal ? consider retirement, contemplate mortality and reflect on the film project itself. Lynn, the children's librarian, passed away in 2013 after a short illness. Apted, who is now 78, hopes to make another installment in seven years. The question hanging over each episode is: Could it be the last?

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The Landmark, 10850 Pico Blvd., West L.A.; Fri., Dec. 6, various showtimes; $12-$15; (310) 470-0492, landmarktheatres.com.Also at Laemmle Playhouse (and Glendale and Town Center 5), 673 East Colorado Blvd., Pasadena, beginning Fri., Dec. 20, various showtimes; $9-$12. (310) 478-3836,laemmle.com.