Dr Apple’s Last Lecture

Depicting a drug trip live on stage was always going to be challenge. But in this tale of an uptight psychology professor deciding to expand his consciousness, the end result is self-indulgent rather than revelatory. Many of the play’s images are striking, and the acting is energetic, but ultimately you’re left wondering what point it’s trying to make.

Gilded Balloon Teviot, 622 6552, until 28 Aug, 2.30pm, £9–£10 (£8–£9).