Sylvia and Will are old college friends, without benefits, who have reunited in their 40s. They’re very close without being romantically interested in each other, and she has a habit of meddling in his relationships. Hmmm. We’re accustomed to onscreen chemistry of the explosive kind, which is generally used to exploit a heteronormative set-up. We see a man and woman getting along, and can’t help but wonder when they will burst into flames.

Platonic (Apple TV+, from Wednesday), which stars Seth Rogen and Rose Byrne and returns for a second series, is flame-retardant. Will and the married Sylvia do not pine for or want to roll around on each other,