Complex sentence: Cuddles (puppeteer Bob Martin) is a comfort doll designed to help people cope with their problems but, as the introductory voice-over to each episode informs the viewer, it is Cuddles who is now the problem.
Split into simpler sentences: Cuddles (puppeteer Bob Martin) is a comfort doll designed to help people cope with their problems. However, as the introductory voice-over to each episode informs the viewer, it is Cuddles who is now the problem.