Pearls Before Swine
The biggest crop of silent penultimate always blooms on Saturdays, when cartoonists think no one is looking.
Adam@Home by Brian Bassett
The Duplex by Glenn McCoy
Luann by Greg Evans
Pooch Cafe by Paul Gilligan
Pearls Before Swine by Stephan Pastis
Pearls Before Swine with three silent penultimate panels out of six daily strips. That's a .500 average for the week.
And, really, today's is not necessary. It's a fairly funny gag, but the stuttering rhythm does not help it.