Chuck stars treat 400 English fans to a Subway lunch

Fans of NBC's Chuck have been urging fellow viewers to patronize sponsor Subway's sandwich shops as a way to persuade the network to renew the ratings-challenged show.

Stars Zachary Levi and Adam Baldwin took the advice to heart: Over the weekend, they personally led about 400 convention-goers in Birmingham, U.K., to a local Subway shop, the End of Show blog reported. The two were attending the Starfury conventions T1 event in the English city.

Levi, who described the show as "on the good side of the bubble," even got behind the counter and helped out the besieged staff of the outlet, staying until the very last fan was served.

Chuck airs its season finale on Monday at 8 p.m. ET/PT.

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