Elementary, Kitty.

1 seconds sound clip from the Garfield's Babes and Bullets (1989) movie soundboard.

You can hear this line at 00:21:52.232 in the Blu-ray version of the movie.

Quote context

[...]

- Goodbye, Sam.

- She called after you'd left. I told her you were going to nab the murderer. She came right over.

- I didn't answer. My thoughts were still in the arms of a classy babe.

- There had better be a check in that envelope.

- Sam, how did you know O'Felix killed Professor O'Tabby?

- Elementary, Kitty.

- O'Tabby had to have left directly from the campus to call on Maudie O'Purr that night because he was still drinking from his favorite mug when the crash occurred.

- Professor O'Felix, the substitute girl Friday fixed that cup of coffee.

- O'Felix had filled O'Tabby's sleeping pill prescription and popped a couple into his coffee, knowing it'd take O'Tabby an hour to get to Old Mountain Road, 40 miles away.

- Like clockwork, the pills took effect and O'Tabby drove off the road to his death.

[...]