Neil Patrick Harris' Family Is Serious about Halloween

Neil updates Seth on his twins and chats about his family's Halloween costumes. » Subscribe to Late Night: http://bit.ly/LateNightSeth » Get more Late Night with Seth Meyers: http://www.nbc.com/late-night-with-se... » Watch Late Night with Seth Meyers Weeknights 12:35/11:35c on NBC. LATE NIGHT ON SOCIAL Follow Late Night on Twitter:   / latenightseth   Like Late Night on Facebook:   / latenightseth   Find Late Night on Tumblr:   / latenightseth   Connect with Late Night on Google+: https://plus.google.com/+LateNightSet... Late Night with Seth Meyers on YouTube features A-list celebrity guests, memorable comedy, and topical monologue jokes. NBC ON SOCIAL Like NBC:   / nbc   Follow NBC:   / nbc   NBC Tumblr:   / nbctv   NBC Pinterest:   / nbctv   NBC Google+: https://plus.google.com/+NBC YouTube:    / nbc   NBC Instagram:   / nbc   Neil Patrick Harris' Family Is Serious about Halloween- Late Night with Seth Meyers    • Neil Patrick Harris' Family Is Serious abo...   Late Night with Seth Meyers    / latenightseth