Ahh, one lone, special Valentine's Day silent penultimate panel:
On the Fastrack by Bill Holbrook
Pearls Before Swine comes close with a silent antepenultimate panel followed by silent action penultimate panel.
I was about to count up and discuss all the Valentine's Day-themed strips today, but that would keep me here forever. And I just can't say "Sorry, honey, we'll have to cancel the reservations. I've got blogging to do."