星期六更1It’sofficial:ResidentAlienhasbeenrenewedforafourthseasonatanewNBCUniversalhome,USANetwork,movingfromcablesiblingSyfy.                                   　　AsDeadlinereportedexclusivelylastmonth,thequirkysci-ficomedy-dramawasnotlikelytocontinueonSyfy,withamovetoUSAasitsmostviableoptiontogetafourthseasonwithasignificantbudgetreduction.