“Wilfred” (10 p.m., FX): This is easily the strangest show of the summer. Elijah Wood

“Wilfred” (10 p.m., FX): This is easily the strangest show of the summer. Elijah Wood stars as a suicidal lawyer who befriends his neighbor’s dog, whom he sees as a beer-drinking dude in a furry suit, while everyone just sees a regular pooch.

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