On the set of "This is Us," Mandy Moore and Milo Ventimiglia talk with Access Hollywood's Kit Hoover about their on-screen chemistry. Plus, will fans find out how Jack died? "This is Us" returns Jan. 10 at 9/8c on NBC. » SUBSCRIBE: bit.ly/AHSub » Visit Our Website: www.AccessHollywood.com/ Get More Access Hollywood: Facebook: www.facebook.com/AccessHollywood Twitter: twitter.com/accesshollywood Instagram: instagram.com/accesshollywood Snapchat: OfficialAccess About Access Hollywood: "Access Hollywood" is a nationally syndicated daily entertainment news show. "Access Hollywood" delivers the most comprehensive coverage of entertainment news and personalities on television, featuring in-depth celebrity interviews and behind-the-scenes accounts of the most important events in Hollywood. 'This Is Us': Mandy Moore & Milo Ventimiglia Discuss Their On-Screen Chemistry | Access Hollywood youtu.be/364yphQXnm4 Access Hollywood www.youtube.com/user/AccessHollywood