The actor and singer voiced Sebastian and sang Under The Sea in Disney's 1989 animated favourite.
But the host will miss a Children in Need special because the Shreddies advert will still be on TV.
The short film, starring a mother and son from Dudley, is picking up awards in Toronto and New York.
The US singer is accused of two counts of assault at a concert in the state of New Hampshire in 2019.
Hundreds of choirs have had to cancel rehearsals after the government said singing poses a health risk.
The government had agreed to pay War Child £500,000 but has since delayed the funding.
Journalist Martin Bashir took Karen Hadaway's clothing and did not return them, her mother says.
John Cena posts a video apology in Chinese after describing Taiwan as a "country".
The Honresfield Library, which has re-emerged after almost 100 years, will go on sale at Sotheby's.
Tim Davie says an investigation into why the journalist was rehired in 2016 will be published next week.