This course is a dark course which requires you to keep hitting illumination buttons in order for you to see the Pokémon. At the end is a switch you need to pull to complete the level

Bronze Medal Requirements:
Capture 3 Pokémon and get to the end of the level

Silver Medal Requirements:
Earn 5,000 Points and get to the end

Gold Medal Requirements:
Get a no-miss capture streak of 18 Pokémon