MasterChefJuniorisanAmericancookingcom etitiontelevisionseriesthatisairingonFox.It remieredonFriday,Se tember27,2013.ItisbasedontheformatoftheU.K.seriesJuniorMasterChef.OnMarch5,2014,MasterChefJuniorwasrenewedforathirdseasonbefore roductiononseasontwobegan.Thesecondseason remieredonNovember4,2014.Thethirdseason remieredonJanuary6,2015.Thefourthseason remieredonNovember6,2015.Thefifthseason remieredonFebruary9,2017