comeyIt’s one of those book launches that threatens to scrape history, which tends to happen every couple of months now. At any rate, the book tour of former FBI director James B. Comey gets an official start at the feet of George Stephanopoulos on “A Higher Loyalty: The Comey/Stephanopoulos Interview” (ABC, 10 p.m.), which has already generated a lot of tweets from one office.

More politics? “The Circus: Inside the Political Show on Earth” (Showtime, 8 p.m.) begins its season in Russia, perhaps to avert its own news: Mark Halperin is gone after charges of sexual harassment and sexual assault; new to the team is Alex Wagner.

Reba McEntire hosts the 53rd Academy of Country Music Awards (CBS, 8 p.m.) from Las Vegas with performances by Carrie Underwood, Lady Antebellum, Florida Georgia Line, Jason Aldean, Lauren Alaina, Dierks Bentley, Luke Bryan, Kelly Clarkson, Kenny Chesney, Alan Jackson, Miranda Lambert, Little Big Town, Maren Morris, Bebe Rexha, Blake Shelton and Keith Urban.

“The Walking Dead” (AMC, 9 p.m.) ends its eighth season with an all out war. It comes alongside the fourth season premiere of its spinoff, “Fear the Walking Dead” (AMC, 10 p.m.). The character Morgan moves from the former to the latter.

Vianelle goes ahead with a new mission on “Killing Eve” (BBC America, 8 p.m.) as Eve is asked to join a secret MI6 unit.

Carrie’s in another corner on “Homeland” (Showtime, 9 p.m.), whose underlying theme seems to be: Life would be easier without parenthood.

“Barry” (HBO, 10:30 p.m.) finds it hard to extract from his former job.

Big Head returns on “Silicon Valley” (HBO, 10 p.m.).

The focus is on Moe, and thankfully not Apu, on tonight’s episode of “The Simpsons” (Fox, 8 p.m.)

Chuck tries to reconcile with his father on “Billions” (Showtime, 10 p.m.).

A final request regarding “Howards End” (Starz, 8 p.m.) throws the family.

Half of the Top 24 sing solos on “American Idol” (ABC, 8 p.m.).

“Timeless” (NBC, 10 p.m.) brings a teenage JFK to the present.

Paul gets to meet his new captors on “Trust” (FX, 10 p.m.).

Jake and Charles are sucked into a pyramid scheme on “Brooklyn Nine-Nine” (Fox, 8:30 p.m.).

The game show “Snoop Dogg Presents The Joker’s Wild” (TBS, 10 p.m.) begins its second season, alongside a new season of “Drop the Mic” (TBS, 10:30 p.m.), with Jerry Springer vs. Ricki Lake.

Emotions run high on “The Last Man on Earth” (Fox, 9:30 p.m.).

A family dinner marks the Queen’s birthday on “The Royals” (E!, 10 p.m.).

Cassie and Sunny dig deeper into Jimmy’s murder on the second episode of “Unforgotten” on “Masterpiece” (PBS, 9 p.m., check local listings).

Here’s a new word: tokophobia. A woman has it on “Call the Midwife” (PBS, 8 p.m., check local listings).

Gowen gets a chance to run a company again on “When Calls the Heart” (Hallmark, 9 p.m.).

A five year old “Beauty and the Beast” superman is on “Little Big Shots” (NBC, 8 p.m.).

A vortex in West Virginia is explored on “The Dead Files” (Travel, 8 p.m.).

On the new true crime “Breaking Homicide” (Investigation Discovery, 9 p.m.), forensic psychologist Kris Mohandie and former Rhode Island police Sgt. Derrick Levasseur tackle cold cases.

“Ash vs. Evil Dead” (Starz, 9 p.m.) finds value in a a cellar rift.

The bickering continues on the second part of “The Real Housewives of Atlanta” (Bravo, 8 p.m.).

Turner Classic Movies presents two movies starring Virginia McKenna starred with Bill Travers, “The Smallest Show on Earth” (8 p.m.) and “Born Free” (10 p.m.). Then comes Erich von Stroheim’s silent epic “Greed” (midnight)

NBA Playoff games today include Milwaukee at Boston (TNT, 1 p.m.), Indiana at Cleveland (ABC, 3:30 p.m.), Utah at Oklahoma City (TNT, 6:30 p.m.) and Minnesota at Houston (TNT, 9 p.m.).

Stanley Cup playoff games have Pittsburgh at Philadelphia (NBC, 3 p.m.), Winnipeg at Minnesota (USA, 7 p.m.), Columbus at Washington (NBC Sports, 7:30 p.m.) and Vegas at Los Angeles (NBC Sports, 10 p.m.).

Boston includes Yankees at Detroit (MLB, 1 p.m.), Angels at Kansas City (Fox Sports 1, 2:15 p.m.) and Texas at Houston (ESPN, 8 p.m.).

final rounds are played in the Heritage Golf Tournament (Golf, 1 p.m.; CBS, 3 p.m.).

Auto racing has NASCAR’s Food City 500 (Fox, 1 p..m.) and IndyCar’s Grand Prix of Long Beach (NBC Sports, 4:30 p.m.).

College baseball includes Texas at Oklahoma (ESPN2, 2 p.m.) and Mississippi at Vanderbilt (ESPNU, 5 p.m.).

College softball includes Rutgers at Michigan (ESPNU, noon) and Mississippi State at Mississippi (ESPN2, 7 p.m.).

Sunday Talk

ABC: White House press secretary Sarah Huckabee Sanders, Sen. Susan Collins, Rep. Adam Schiff. CBS: U.S. Ambassador to the UN Nikki Haley, Sen. Tim Kaine. NBC: House Speaker Paul Ryan, Sen Joni Ernst. CNN: Sen. Angus King, former U.S. Attorney Prett Bharara, Stormy Daniels’ lawyer Michael Avenatti. Fox News: Haley, Rep. Trey Gowdy.