About this season
Join Professor Alice Roberts on an adventure across Britain as she decodes the truth behind its Holy Grail legends, linking Arthurian lore, sacred relics and the Knights Templar.
Episodes (3)
E1
1. In the Shadow of the Tor
Aired 3 February 2026 • 44 min
Professor Alice Roberts begins her quest on Britain's windswept south coast, investigating the biblical legend of Joseph of Arimathea, a tale woven deep into English folklore.
E2
2. Knights of the Grail
Aired 10 February 2026 • 44 min
Professor Alice Roberts continues her Grail quest by unearthing the legendary knights entwined with Britain's sacred past.
3
E3
3. The Rosslyn Chapel Mystery
Aired 17 February 2026 • 44 min
Alice heads to Scotland in pursuit of one of the most tantalising threads in Grail lore: the claim that the Knights Templar secretly buried the Holy Grail beneath Rosslyn Chapel.