Philadelphia is easing into its cold-weather rhythm, and the week ahead brings a mix of new stage productions, returning holiday traditions and a few major citywide events. Tuesday marks the arrival of Back to the Future: The Musical at the Academy of Music, inviting theatergoers into a time-traveling adventure set to a Broadway score.

Seasonal celebrations begin lighting up the city on Thursday, when LumiNature at the Philadelphia Zoo and Holidays at Franklin Square reopen for the season, filling outdoor spaces with glowing displays and family-friendly activities.

Friday kicks off Philadelphia Marathon Weekend , which runs through Sunday and draws runners and supporters from across the region. It’s also the opening day for Scusi Pizza in Northern Liberties, adding a new dining

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