CBS today announced that the premiere episode of Three Rivers will not be Tick-Tock after all, but Place of Life. Tick-Tock is scheduled to air on October 11th instead, and the series will premiere on October 4th with Place of Life.
From the network’s press releases:
09.21.2009 (NOTE TO EDITORS: The following episode of THREE RIVERS has been substituted for the one previously scheduled for Oct. 4) — ALEX O’LOUGHLIN, KATHERINE MOENNIG, DANIEL HENNEY, CHRISTOPHER J. HANKE, ALFRE WOODARD AND JUSTINA MACHADO STAR IN “THREE RIVERS,” A NEW MEDICAL DRAMA PREMIERING SUNDAY, OCT. 4
“Place of Life” – After suffering a heart?attack, Dr. Andy Yablonski (Alex O’Loughlin) tells a young pregnant woman that in order to save her and her unborn child she must get a heart transplant. However, unexpected complications with the donor’s family place the operation in jeopardy, on THREE RIVERS, premiering Sunday, Oct. 4 (9:00-10:00 PM, ET/PT) on the CBS Television Network. (Previously scheduled for a later date)
09.21.2009 (NOTE TO EDITORS: The following episode of THREE RIVERS has been substituted for the one previously scheduled for Oct. 11) — ANDY AND THE TEAM TRY TO SAVE AN 18-YEAR-OLD COLLEGE STUDENT IN NEED OF A DOUBLE LUNG TRANSPLANT, IN “THREE RIVERS,” SUNDAY, OCT. 11
“Tick-Tock” - Andy and the team try to save an 18-year-old college student in need of a double lung transplant but run into a road block that might not allow her to be eligible for a new set of lungs, on THREE RIVERS, Sunday, Oct. 11 (9:00-10:00 PM, ET/PT) on the CBS Television Network. (Previously scheduled for an earlier date)
[tags]alex o’loughlin, alex o’lachlan, three rivers, andy yablonski, cbs[/tags]

Thank you MizzoH. I just read this article. It is probably the reason why the fans didn’t get a chance to see some scenes from the first episode of Three Rivers at the Paley convention. I’m sure that these changes have been made only recently.