What to Watch Today

'Treehouse of Horror' No. 26, The Leftovers Shakes It Up, Master Class Resumes and More

The Simpsons Treehouse of Horror

On TV this Sunday: The Simpsons re-enter the Treehouse of Horror, Oprah’s Master Class is back in session, the MTV EMAs take place in Milan and Neil deGrasse Tyson engages in more StarTalk. Here are 13 programs to keep on your radar.

  • USA Network
    Law & Order: SVU 'No More Excuses' Marathon

    Through 11 pm | The cabler teams with SVU star Mariska Hargitay, the Joyful Heart Foundation, the NFL and the “No More” campaign to raise awareness about domestic violence, complete with 14 powerful episodes related to the topic.

  • UP TV
    Gilmore Girls Marathon

    Through 7 am | What better way to celebrate Gilmore Girls revival news than with an all-day marathon of Season 1? (Spoiler alert: There is no better way.)

  • OWN
    Oprah's Master Class

    Season 5 premiere: Comedienne and talk show host Ellen DeGeneres shares stories of her success — and failure — in entertainment.

  • MTV
    MTV Europe Music Awards

    Broadcast from Milan, Italy, this year’s celebration is hosted by Ed Sheeran and Ruby Rose (Orange Is the New Black), with performances by the usual suspects.

  • Fox
    The Simpsons

    In the 26th “Treehouse of Horror” installment, Sideshow Bob finally kills Bart… only to reanimate him. (Note: A “Treehouse” marathon airs on FXX from 4 to 8 pm.)

  • ABC
    Once Upon a Time

    In Camelot, Emma uses a dreamcatcher to look into the past to see how Merlin was transformed into a, you know, tree. (View photos.)

  • Fox
    Brooklyn Nine-Nine

    The third installment of Holt and Jake’s Halloween heist features a tie-breaking competition to claim the title of Amazing Detective Slash Genius.

  • AMC
    The Walking Dead

    A small group, including Rick, runs into hurdles while trying to return to Alexandria… and some may not make it back. (Stay away from revolving doors, everyone.)

  • CBS
    The Good Wife

    While Alicia clashes with the bond court judge, Diane is coerced by her client’s counsel (Covert Affairs’ Peter Gallagher) to argue against her own beliefs.

  • HBO
    The Leftovers

    In the midst of an earthquake, Nora awakens to find Kevin missing — and her hopes of safety in their new town are dashed. (Who got a little POTW love?)

  • PBS
    The Guilty

    Miniseries premiere: This three-parter (which aired in the UK in 2013) follows Detective Chief Inspector Maggie Brand (Episodes‘ Tamsin Greig) as she investigates a boy’s disappearance at a cookout.

  • Showtime
    The Affair

    As pressures in Helen’s life mount — as if they hadn’t already — an innocent mistake leads to outrageous consequences. Meanwhile, a court order presents a setback for Noah and Alison.

  • NatGeo

    Season 2 premiere: Neil deGrasse Tyson interviews former President Bill Clinton and discusses advancing scientific progress in America.