Joe Otterson TV ReporterCall it the pilot season that wasn’t. One year later, the COVID-19 pandemic is still casting a long shadow over the new crop of broadcast shows.Across the Big Five networks, the majority of the pilots in contention this year are holdovers from 2020. The backlog is still being sorted out, underscoring the disruption of last spring when the public health crisis shut down work for months just as pilot production would have normally reached its peak.