The Democratic presidential nominee's Monday night appearance on "Jimmy Kimmel Live" registered just a 0.4 rating in the key 18-49 demographic advertisers covet most.

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In comparison, NBC’s “Late Night” with Seth Meyers tied it in the ratings, despite starting an hour later. Monday’s “Late Night” guests were Henry Winkler of "Happy Days" fame and actress Grace Gummer.

Kimmel's 0.4 rating with Clinton lost to a Nick At Nite rerun of "Friends" — a program that went off the air more than a decade ago — and "Teen Mom Season 6" on MTV.