They're crossing network lines for a good cause.
ABC, CBS and NBC are joining forces in the fight against cancer.
Network evening anchors Charles Gibson, Katie Couric, and Brian Williams announced a live primetime special event to raise money for cancer research Wednesday.
'Stand-up For Cancer' will take place on September 5.
The event will showcase actors and news anchors, along with musical performances.
"Spider-Man" producer Laura Ziskin is putting together the commercial-free program. Ziskin is a cancer survivor.