MODERN FAMILY - "Phil on Wire" - The growing bond between man, Jay, and dog, Stella, is grating on Gloria's nerves; Phil and Luke embark on a new adventure involving a tightrope, but it's Claire with the missteps, as she tries to teach the girls a life lesson; and Cameron chooses the most inopportune time to start a juice fast, on "Modern Family," WEDNESDAY, SEPTEMBER 28 (9:00-9:31 p.m., ET), on the ABC Television Network. (ABC/RICHARD FOREMAN) SOFIA VERGARA, ED O'NEILL, RICO RODRIGUEZ