NFL player J.J. Watt helps survivors of Hurricane Harvey; Susan Bro, mother of Heather Heyer, who was killed while counter-protesting a "Unite the Right" rally in Charlottesville, VA; Miley Cyrus performs.
Halle Berry ("Kingsman: The Golden Circle"); Ryan Adams performs; a man told he would never walk again signs up to run a half marathon.
Queen Latifah ("Star"); "Bachelor in Paradise" contestants Dean Unglert, Kristina Schulman and Danielle Lombard; Portugal. The Man performs; 11-year-old Luke Chacko tells of singing with Idina Menzel.
Heidi Klum ("Project Runway", "America's Got Talent"); Billie Lourd ("American Horror Story: Cult"); a Good Samaritan helps a nursing aide to finish nursing school.
Alec Baldwin (book "You Can't Spell America Without Me"); Tig Notaro ("One Mississippi"); freestyle rapper Harry Mack.
Jessica Biel ("The Sinner"); lifestyle expert Kym Douglas; Los Angeles Lakers first-round draft pick Lonzo Ball and father LaVar ("Ball in the Family"); beat boxer Daeung "Bigman" Yun; Luis Fonsi performs.
Channing Tatum ("Kingsman: The Golden Circle", Las Vegas show "Magic Mike Live"); Kyle MacLachlan ("Twin Peaks: The Return").
Justin Theroux ("The LEGO NINJAGO Movie"); Drew Carey ("The Price Is Right"); Grace VanderWaal is interviewed and performs.
Sarah Paulson ("American Horror Story: Cult"); Nick Jonas performs; 12-year-old Alex Knoll gives an update on his Ability App.
Megyn Kelly ("Megyn Kelly Today"); NBA star Russell Westbrook (book "Russell Westbrook: Style Drivers"); Logic and Alessia Cara perform; Allyssa Beird ("American Ninja Warrior").
Dame Judi Dench ("Victoria and Abdul"); Imagine Dragons perform; pole dancer Marion Crampe; a college professor who baby-sat for a student's child while teaching a class.
Jake Gyllenhaal ("Stronger"); Kesha performs; singing ventriloquist Darci Lynne ("America's Got Talent"); a transgender couple discuss the recent controversy surrounding transgender military service members.
Mandy Moore, Sterling K. Brown and Milo Ventimiglia ("This Is Us"); Macklemore and Kesha perform; street performers The Luxury Brothers.
Jane Fonda ("Our Souls at Night"); Taye Diggs ("Til Death Do Us Part"); Bleachers perform.
Eric Stonestreet ("Modern Family", "The Toy Box"); Whitney Cummings ("I'm Fine... and Other Lies"); Kelsea Ballerini performs; news reporter Brandi Smith, who assisted in the rescue of a strapped truck-driver during Hurricane Harvey.
Jamie Foxx and Jay Pharoah ("White Famous"); Cole Swindell performs; 8-year-old rapper Dylan Gilmer.
LL Cool J ("NCIS: Los Angeles"); Shania Twain performs.
Anthony Anderson ("Black-ish"); Paralympian Victoria Arlen and Val Chmerkovskiy ("Dancing With the Stars").
Howie Mandel; Rita Ora performs.
Oprah Winfrey ("O, That's Good!"); Demi Lovato is interviewed and performs.
Jared Leto ("Blade Runner 2049"); Thirty Seconds to Mars performs.
Ryan Gosling ("Blade Runner 2049").
Former first lady Michelle Obama helps Ellen celebrate her 60th birthday with many surprise celebrity guests.
Actress Jennifer Aniston helps Ellen celebrate her 60th birthday with many surprise celebrity guests; Ellen presents her biggest audience giveaway in 15 seasons.
Melissa McCarthy ("Life of the Party"); Ellen welcomes slope style skier Gus Kenworthy, who won a silver medal at the 2014 Winter Olympics and will participate in the upcoming games, the second openly gay athlete to compete for USA in the Olympics.
Michael B. Jordan ("Black Panther"); Average Andy with the cast of Cirque du Soleil's "Luzia"; Ellen surprises sisters who help people in need.
Milo Ventimiglia ("This Is Us"); Dax Shepard tells about his coverage at the Super Bowl; 5-year-old Claire and her dad, Dave Crosby, perform a song.
Sean "Diddy" Combs ("The Four: Battle for Stardom").
Drew Barrymore ("Santa Clarita Diet"); 7-year-old piano prodigy Anke Chen from Beijing.
John Krasinski ("A Quiet Place").
Jerry Seinfeld ("Comedians in Cars Getting Coffee"); Dua Lipa performs.
Valentine's Day show; Natalie Portman ("Annihilation"); Dax Shepard.
Actor David Spade.
The NBA's Golden State Warriors point guard Steph Curry and his wife, Ayesha.
Guest host Mario Lopez welcomes Kathryn Hahn, author of "My Wish for You: Lessons From My Six-Year-Old Daughter." Also: BTS perform.
Guest host Mario Lopez welcomes Topher Grace ("BlacKkKlansman"). Also: Kacey Musgraves performs.
Actress Jenna Fischer ("Splitting Up Together"); TV personality Simon Cowell; actress Nicole Maines ("Supergirl"); Hozier and Mavis Staples perform;