It would take legitimate psychic abilities to know whether “Psych” will continue after this season.

One would not even need Shawn Spencer’s observational acuity, however, to see that from a ratings standpoint, the show’s best days are behind it.

Wednesday’s “Psych,” which kicked off the show’s eighth season, delivered a modest 0.8 adults 18-49 rating with 2.28 million. Though respectable by cable standards, the performance trailed the 1.0 rating and 2.94 million viewership mark posted by the season seven premiere.

It also represented the show’s weakest season premiere performance to date.

Noting the light episode order (just eight at the time of the announcement in December 2012), many assumed the eighth season of “Psych” would be its last.

USA never officially confirmed that speculation and later gave fans reason for optimism by ordering an additional five scripts from the “Psych” team.

That only two made it production tempered some of that optimism. The deflated premiere ratings will not provide a counteracting supply of positivity.

– In other cable news, Wednesday’s “American Horror Story: Coven” posted a 1.8 rating with 3.49 million viewers. The previous episode, which aired on December 11, drew a 2.1 with 3.94 million.

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