Mostly just curiosity. You'll also need an internet connection.
That said, you'll be preparing fish, so if you've recently caught, speared, or bought fish from the market (or plan to), you're in a good spot. You'll also want cooking tools. We'll be using a grill, oven, stove, broiler, and pans. Some recipes involve a blender, and we'll be working with whole fish – scaling and cleaning. Essentially, you need a kitchen, ingredients, and fish.