Maybe I need to make one more mystery to convince 'em of my skills.

5 seconds sound clip from The New Adventures of Winnie the Pooh - The New Eeyore / Tigger, Private Ear (S1E21).

You can hear this line at 00:15:33.187 in the Blu-ray version of the TV Series.

Quote context

[...]

- Piglet was here dreaming about daffodils, which, as every genius private ear knows... Piglets are allergical to. Ah-choo!

- The little guy sneezed in his sleep, blowin' his nose warmer off his face, and onto the ceiling!

- My nose warmer.

- Amazing!

- Oh, nothin' to it. No case is too small for Tigger, private ear.

- Oh, another day and still no customers.

- Maybe I need to make one more mystery to convince 'em of my skills.

- Ah-ha. The honey he keeps for his midnight snackles.

- Oh. That one's in too many pieces.

- Now who else would have a honey pot?

- Last night, the honey was here, but this morning it wasn't. So I can only think... it's gone.

[...]