Various presenters have filled in for the main presenters if they were away or ill those being Síle Seoige, Gráinne Seoige, Kathryn Thomas and Caroline Morahan but Pamela Flood has filled in throughout the past five seasons for various reasons.
Pamela Anderson | flood | Henry Flood | Pamela Colman Smith | Pamela Tola | Pamela Salem | Pamela Paul | Pamela C. Rasmussen | Johnstown Flood | Flood | flash flood | Pamela Wallin | Pamela Flood | North Sea flood of 1953 | National Flood Insurance Program | 1997 Red River Flood | Pamela Smart | Pamela McCorduck | Pamela Jones | Pamela Bellwood | Liam Flood | Great Flood of 1862 | "Gentleman" Liam Flood | Flood Control Act of 1944 | Flood Control Act | Willamette Valley Flood of 1996 | Whitcomb and Morris' flood geology | The Year of the Flood | The Genesis Flood: The Biblical Record and Its Scientific Implications | Robert L. Flood |
A number of once-off celebrity editions have been broadcast; Linda Martin and Kevin Sharkey featured in the one after series two, whilst series four was followed up by featuring the models Pamela Flood and Lisa Murphy in an episode which was broadcast on 29 December 2008.