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Showing top 2 upcoming show times. Show times are sorted in increasing order of start time.

1. Fri 2:25 AM, 31 Jan 2025 on BBC Four HD channel

   1/6. Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. [S] [HD]

2. Thu 8:00 PM, 30 Jan 2025 on BBC Four HD channel

   1/6. Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. [S] [HD]