The Graham Norton Show Justin Timberlake and Anna Kendrick are guests in the season premiere. 10 p.m. BBC America
Saturday Night Live Lin-Manuel Miranda, creator and star of Broadway's “Hamilton,” hosts with musical guests Twenty One Pilots. 11:29 p.m. NBC
All-Star Halloween Spectacular In Las Vegas, some of the biggest personalities on Food Network, HGTV and Travel Channel join forces for this holiday-themed special. Drew Scott and Tia Mowry team up against Jonathan Scott and Duff Goldman to create two life-sized and delightfully terrifying haunted houses....