While the other networks are splashing around in the kiddie pool, ABC jumped into the shark tank at its Upfront Presentation on Tuesday afternoon at New York's Avery Fisher Hall.

The network will launch eight primetime series, an even split of dramas and sitcoms, in the fall. It also made some major programming moves, including an all-new Tuesday night lineup, and a significant revision of Dancing with the Stars.

As ABC president Paul Lee said, "We are taking some big swings…this season."

Here are descriptions of the new shows:

* Betrayal, a Sunday companion piece to Revenge, stars Hannah Ware (Boss) and Irish actor Stuart Townsend as two people, married to others, who begin a torrid affair. But a high-profile murder case becomes a big impediment. With Henry Thomas (E.T.) and James Cromwell (24)


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