| BALMER | E Second series in the spectrum of hydrogen (6) |
| EASTCOKER | E second poem of TS Eliot's work Four Quartets (4,5) |
| BACK | What's behind one, i.e. second? (4) |
| LYMAN | First series in the spectrum of hydrogen (6) |
| BRACKETT | E forth series in the spectrum of hydrogen (8) |
| PASCHEN | Third series in the spectrum of hydrogen (7) |
| PFUND | Fifth series in the spectrum of hydrogen (5) |
| SHAYNE | ___ Ward, the winner of the second series of The X Factor (6) |
| INDIGO | Ancient dye, or the colour between blue and violet in the spectrum (6) |
| ORANGE | Which colour lies between red and yellow in the spectrum (6) |
| YELLOW | Colour between orange and green in the spectrum |
| ANGELA | ___ Hartnett, English chef who became a judge on the second series of TV show Best Home Cook in 2020 (6) |
| MORRIS | Heather, former Glee actress who won the second series of The Masked Dancer as Scissors (6) |
| RIVALS | TV period comedy-drama series starring David Tennant, whose second series airs in 2026 (6) |
| SINGER | The Masked ___, mysterious musical celebrity comp back for a second series (6) |
| STRAIN | Second series for Melody (6) |
| SPECTROSCOPE | An instrument for observing the spectrum of light |
| SHAYNEWARD | English singer who won the second series of The X Factor in 2005 and played Aidan Connor in Coronation Street (6,4) |
| SHEILAFERGUSON | Member of The Three Degrees who appeared in the second series of The Real Marigold Hotel |
| SURANNE | ___ Jones, actress back in the second series of Gentlemen Jack in 2020 (7) |
