In this episode of Peppa Pig, Granny Pig and Grandpa Pig have a pet parrot named Polly. Peppa and George introduce Polly to their friends, and they all enjoy tea time. Later, they go to the park for a picnic, but it starts raining. They get lost on a nature trail but eventually find their picnic spot thanks to Mrs. Duck's help.
Sure, here are the key facts extracted from the text:
1. Granny and Grandpa Pig have a pet parrot named Polly.
2. Peppa and George also love their pet parrot Polly.
3. Polly can mimic what people say.
4. Peppa and George enjoy eating chocolate cake.
5. Daddy Pig accidentally scares away some ducks.
6. Daddy Pig and the wasp have a comical encounter.
7. The family has a picnic in the forest.
8. Peppa and George find bird footprints.
9. They follow the footprints and get lost briefly.
10. They eventually find their way back with the help of their own footprints and an umbrella.
11. Ducks show up during the picnic.
Please note that these facts are extracted from the provided text without including any opinions or subjective information.