| Metric | Figure | Source | |--------|--------|--------| | | 4.2 million | BBC iPlayer analytics | | Average watch‑time | 13 min (≈ 76 % of episode) | YouTube Studio | | Engagement rate | 12.8 % (likes + comments ÷ views) | Facebook Insights | | Peak donation amount | £12,743 (first 24 h) | BBC Charity Fund report | | Sentiment (Twitter) | 91 % positive, 5 % neutral, 4 % negative | Brandwatch social listening |