Babe the sheep-herding pig and his talking farm friends will revisit the big screen Saturday night at East Portal Park in East Sacramento. The '90s classic Babe is the first film to be featured at Sacramento's fifth Screen on the Green free movie series, held in different local neighborhood parks for four consecutive Saturdays in August. Founded by City Councilman Steve Cohn, Screen on the Green has grown immensely in attendance each year since it first began five years ago, said District Director Sue Brown. Although anyone is welcome to attend, the films are geared toward families. Last year's films included Charlotte's Web, Hairspray, Ratatouille and The Goonies. Screen on the Green i