Marcus finally understands the real reason why Will hates "Runaway Sleigh." » Subscribe now to About A Boy: http://bit.ly/NBCAbout » Watch About a Boy Tuesdays 9:30/8:30c on NBC! » Get more About A Boy: http://www.nbc.com/about-a-...
When quirky single mom Fiona and her son Marcus move in next door, Will's perfect world is changed forever. About A Boy premieres Tuesday October 14 9:30/8:30c on NBC.