Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Episode Number | Air Date | Guest Host | Musical Guest (Song performed) | Coat Of Cash Wearing Celebrity |
| --- | --- | --- | --- | --- |
| 1.0 | 21 March 2008 | Elle Macpherson | Estelle ( American Boy ) | Rhino |
| 2.0 | 28 March 2008 | David Tennant | The Wombats ( Backfire at the Disco ) | Nicholas de Lacy-Brown |
| 3.0 | 4 April 2008 | Mariah Carey | Mariah Carey ( Touch My Body ) | Matt Di Angelo |
| 4.0 | 11 April 2008 | Elijah Wood | Heloise and the Savoir Faire (Illusions) | Ian Stringer |
| 5.0 | 18 April 2008 | Geri Halliwell | Sam Sparro ( Black and Gold ) | Caroline Pearce |
| 6.0 | 25 April 2008 | Gok Wan | One Night Only ( It's About Time ) | Lindi Mngaza |
Question:
What was the air date of episode 5?
Answer:
18 April 2008