As a matter of fact, yes. Word is slowly reaching us that six other fine citizens have disappeared in the last few days. Along with their headwear.
9 seconds sound clip from Batman (1966) - Batman Stands Pat (S1E14) TV Series.
You can hear this line at 00:06:03 in the Blu-ray version of the movie.
Quote context
[...]
- Yes, when I told him I was on to his masquerade.
- Then he must be planning to snatch eight more hats and eight more people.
- Or already has and we don't know about it.
- Commissioner, have you any more reports of hat thefts or vanishing people?
- The police department's on it's toes.
- Six, plus the five we know about make eleven.
- Your cowl's the 13th, that leaves....
[...]