The Case of the Sunny Day / The Case of the Long Nosed Monkey It’s a very hot and sunny day at Smiling Trees Park and our trio is really affected by it. Marina feels the effect of not wearing sunscreen and the POP brings clues to a big mystery. // Dr. Green brings a new friend to Smiling Trees Park. His looks may cause surprise on some, but with time everybody sees he has many qualities and even helps our trio on solving a dangerous mystery.