PF
Are you referring to the "ONE" part of the logo? I'm pretty sure there isn't a font for it, the 3 letters were custom designed for use solely for the logo, or they may have been taken from another font and modified. Unless someone very skilled recreates it for you, I don't think you're gonna find a font for it sadly.
The font they use for programme promotions and menus is Klavika.
The font they use for programme promotions and menus is Klavika.