SPOLER ALERT: Do not read if you have not yet watched “Matryoshka,” the Season 2 finale episode of “Russian Doll.” In Season 2, “Russian Doll” broke out of its first season’s “Groundhog Day”-style time-loop format with a “Quantum Leap”-like time-travel device that allowed Nadia (Natasha Lyonne) and Alan (Charlie Barnett) to jump into the bodies […]