River Hunters

Canterbury Murder: The River Hunters head to Canterbury, where they're granted special permission to undertake the first official search of this section of the River Stour. (S2, ep 4)

The Colchester Siege: The River Hunters hit the oldest town in Britain, searching the town's historic waterway for evidence of the Siege of Colchester. (S2, ep 5)

Knaresborough Castle: The final hunt of the series takes the team back to Yorkshire to uncover relics from the brutal 14th Century clashes between the English and Scottish. (S2, ep 6)

Battle of Culloden: Rick and Beau return to tackle new rivers in a brand-new series. From Wales to Scotland, the pair investigate the cold and murky waters of historic sites. (1 of 3)