` ` ER '' ends its original run on Thursday , April 2 , after eight seasons . Drama to be replaced by new Jay Leno talk show . Law ' Thursday at 10 to 'ER ' Thursday at 10 . ' The popular show had continued long tradition of airing in 60 minutes slot . American television now has audiences for popular dramas .
` ` ER '' ends its original run on Thursday , April 2 , after eight seasons . Drama to be replaced by new Jay Leno talk show . The popular show had continued long tradition of airing in 60 minutes slot . American television now has audiences for popular dramas .