- Christopher Robin! You know you can't skate without your earmuffs on.
- Oh, yeah. Thanks, Mom.

9 seconds sound clip from The New Adventures of Winnie the Pooh - Luck Amok / Magic Earmuffs (S1E15).

You can hear this line at 00:11:20.832 in the Blu-ray version of the TV Series.

Quote context

[...]

- Oh, I know, Christopher Robin. I don't believe in stupor... in supper... in those things.

- I was just playing along, so the bad luck wouldn't feel bad.

- What are you looking for, Pooh?

- I thought I might find a four-leaf clover... just in case.

- Silly old bear.

- Christopher Robin! You know you can't skate without your earmuffs on.

- Oh, yeah. Thanks, Mom.

- Christopher Robin, why can't you skate without earmuffs?

- 'Cause otherwise his toes would get cold.

- Oh, no! I can skate without my earmuffs. It's just I can't skate without my earmuffs. You know how moms are.

- Ready?

- Ready! For what?

- Watch out, Piglet!

- Gangway!

[...]