Underwater Great Adventure is the seventh episode of the game Angry Birds: Red to Rescue.
History[]
After the explosion of the helicopter and rescuing Matilda and Stella, Red arrives on a beach. He sees a submarine and pigs entering it, and Red steals a wetsuit and dives into the sea to save Terence and Bubbles, who are inside the submarine.
After saving their friends they stop at another beach where there is a large prison. They suddenly fall into a hole and stop inside the prison.