June, Pam and Roman from “American Winter,” a documentary on HBO on Monday night. (Devon Terrilll from Viewfilm productions/HBO)

Former ABC News anchor Jake Tapper begins his daytime reign on CNN as his news show, “The Lead” (CNN at 4 p.m.), kicks off on Monday afternoon.

RETURNING SHOW: A dozen celebrities take up residence on a new edition of “Dancing With the Stars” (ABC at 8 p.m.), as Season 16 begins with a mix of competitors including singers (Wynonna Judd, Kellie Pickler), athletes (Dorothy Hamill, the Baltimore Ravens’ Jacoby Jones) and reality stars (“Bachelor” Sean Lowe, “Real Housewives” cast member Lisa Vanderpump).

RETURNING SHOW: It’s the beginning of the end for “Secret Life of the American Teenager” (ABC Family at 8), which starts the last half of its fifth and final season. Amy makes the mistake of buying a wedding dress at a thrift store, so naturally, Ricky is upset that it might reveal how she actually feels about marrying him.

FINALE WATCH: The final three (Danni, Jeff, and either Joe or Jackson, based on America’s vote) compete for the grand prize of $250,000 on the Season 14 finale of “The Biggest Loser” (NBC at 8).

FINALE WATCH: There’s an attack about to happen as Season 1 of “Continuum” (Syfy at 8) comes to a close, and Kiera tries to stop the disaster before it’s too late.

SERIES PREMIERE: The miniseries “Top of the Lake” (Sundance at 9), which stars Elisabeth Moss as a detective who investigates a case involving the disappearance of a 12-year-old, is previewed by Hank Stuever on Page C1.

The documentary “American Winter” (HBO at 9) profiles eight families from Oregon who, in the winter of 2012, were forced to call the state’s 211 social services hotline for help. Each family struggles with a combination of economic and health-care issues.

SERIES PREMIERE: Ever wonder how Norman Bates grew up to be the terrifying man of Alfred Hitchcock’s “Psycho” film? The miniseries “Bates Motel” (A&E at 10) attempts to explain as it goes back to when Norman (played by Freddie Highmore) was a teenager.

FINALE WATCH: The ratings for Season 1 of “Deception” (NBC at 10) haven’t been great, so no one knows if all the mysteries will be solved — in any case, new information surfaces in the finale, and the police reopen Vivian’s murder case.

Actor Morgan Freeman and Olympic wrestlers Rulon Gardner and Henry Cejudo are on “The Tonight Show With Jay Leno” (NBC at 11:35), along with a performance by James Hunter.

“The Late Show With David Letterman” (CBS at 11:35) hosts actress Selena Gomez, actor Bob Sarlatte and rapper Killer Mike.

Actress Jennifer Love Hewitt is on “Jimmy Kimmel Live” (ABC at 12:35), as well as actor Steven Yeun.

— Emily Yahr