NBC has firmed up the premiere dates for its summer schedule, with programmes including Simon Cowell's America's Got Talent making their debut during May and June.

Last Comic Standing will get a two-hour season premiere on May 30, and air on Tuesday nights at 9pm for the rest of its run.

Windfall, a new drama starring 90210's Luke Perry, will start on June 8 and air on Thursday nights in the 10pm slot.

A new fast-paced adventure reality show, Treasure Hunters, also gets a two-hour starter episode on Sunday, June 18, sliding into the 9pm slot on Monday nights for the rest of its run. The show, hosted by Laird Macintosh, will feature teams travelling to historically-significant locations where they will attempt to decipher clues in order to discover the grand prize.

A new talent show produced by Simon Cowell with FremantleMedia, America's Got Talent, gets its start on June 21 with a two-hour premiere. The show, which will air for an hour on Wednesday nights with a half-hour results show on Thursday nights, will feature performers from around the US competing for a $1m grand prize.