Ah... Done with 2.8 seconds to spare.
4 seconds sound clip from The New Adventures of Winnie the Pooh - Party Poohper / The Old Switcheroo (S1E22).
You can hear this line at 00:07:36.045 in the Blu-ray version of the TV Series.
Quote context
[...]
- What are we stopping for, Pooh Boy?
- If we hike too far, we won't be back in time for Rabbit's party.
- Ah... Done with 2.8 seconds to spare.
- Those little insects think they can throw me off schedule, huh? I'll show 'em.
- Better add some more. I wanna do this right the first time.
- Where could they be? Oh! They must be at Piglet's.
[...]