Cats continues at the Theatre Royal in Newcastle until Saturday.
Northern Stage's young company, Springboard, performs Girls Like That on Saturday.
Good Timin', a one-man show written and performed by Ian Mclaughlin, the theatre's contribution to this year's Edinburgh Fringe, previews at Live Theatre from Wednesday to Saturday.
Too Much, Too Young is in the Studio at the Maltings in Berwick on Friday.
Chapterhouse Theatre presents Wuthering Heights at Durham's Gala Theatre on Wednesday, followed on Saturday by the world premiere of Steamsong, a multimedia opera from composer John Kefala Kerr, part of BRASS, the Durham International Festival.