The Last Man on Earth: Tandy Crafts a Fishy Alarm System (VIDEO)

Marisa Roffman
Kevin Estrada/Fox

THE LAST MAN ON EARTH: Will Forte in the "You're All Going To Diet" episode THE LAST MAN ON EARTH airing Sunday, Oct. 16 (9:30-10:00 PM ET/PT) on FOX. ©2016 Fox Broadcasting Co. Cr: Kevin Estrada/FOX

With Pat (Mark Boone Junior) possibly alive—and dangerous—The Last Man on Earth's Tandy (Will Forte) is taking every precaution possible to protect the people he cares about.

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In Sunday's new episode, "You're All Going to Diet," Tandy sets up motion-triggered singing fish as a makeshift alarm system...and it proves to be quite the aphrodisiac for Carol (Kristen Schaal).

Check out the clip:

The Last Man on Earth, Sundays, 9:30/8:30c, Fox.