Ooh, Betty! The return of Some Mothers Do ’Ave ’Em proves that some jokes never get old

• Those who remember the 1970s can call the decade to mind with any number of phrases – from “Everybody out!” to “Who loves ya, baby?” and “Who knows the secret of the Black Magic box?”. But perhaps the niftiest verbal portal to that now distant era lies in the exclamation “Ooh, Betty!” – or, more simply “Ooh!”. That was, of course, the default utterance of Frank Spencer (Michael Crawford), anti-hero of the sitcom Some Mothers Do ’Ave ’Em, as he reacted with dumb-founded bafflement and childlike h