America’s Got Talent Variety acts of all types and contestants of all ages audition for the chance to win the $1-million prize as the competition kicks off its 12th season, with new host Tyra Banks and returning judges Heidi Klum, Simon Cowell, Howie Mandel and Mel B. 8 p.m. NBC
Downward Dog Nan (Allison Tolman) tries to use her dog Martin to keep Kevin (Barry Rothbart) at bay at the office in this new episode. 8 p.m. ABC
Victorian Slum House The series concludes by bringing re-creation participants into the 20th century with “The 1900s,” when some British families saw their circumstances improve, while...