SHARECOMMENTMORE

By Bill Keveney
USA Today

ABC has pulled the conspiracy thrillerZero Hourfrom its schedule after three low-rated broadcasts. Thursday's episode drew just 5.1 million viewers and did not fare well among advertiser-coveted young adults.

The time slot -- Thursday at 8 p.m. ET/PT -- has been a ratings challenge for ABC.Last Resorthad a 13-episode run there earlier this season.

The remaining episodes of the Anthony Edwards drama could run in the summer, although ABC has not made a decision.

Repeats ofShark Tankwill replaceHourfor the next two Thursdays. The non-celebrity version ofWife Swapwill then take over the time slot for seven weeks starting March 21, followed byWipeouton May 9.