Reintegrating kidnappees into society is familiar territory, but Dave McCary’s Brigsby Bear adds a charming, unique twist to the narrative.  With a cast and crew populated by Saturday Night Live staff (including director Dave McCary, co-writer and star Kyle Mooney, and producer and co-star Andy Samberg), Brigsby Bear lacks the cynicism typically associated with themes of nostalgia;  instead, Brigsby is rather heartwarming in its absurdity.