Dressy Bachelorette, Elf's Secrets Spilled, Rudolph and More

As Claire’s world begins to crumble, an uncertain Eric is pressed to reveal intimate details of his relationship.

Two episodes: The folks behind The Toys That Made Us take deep dives into the holiday classics Elf and The Nightmare Before Christmas.

Day 1 highlights include Disney’s A Christmas Carol (10:30 am), Home Alone (3:10 pm) and 2000’s How the Grinch Stole Christmas (8:20 pm). (View full schedule.)

When Zac C. reveals himself to be a real survivor during a wedding-themed photo shoot, JoJo Fletcher arrives to help Tayshia navigate her emotions.

Twice-postponed due to COVID, the Ravens once again attempt to play the Steelers. Kidding! Moved a third time, to Wednesday afternoon. So you’re getting an hour of The Voice, a Weakest Link rerun, and a new Transplant episode (in which Bash makes an unlikely connection).

Still appearing as Alec Holland, Swamp Thing guides Abby to an area blighted with the encroaching rot; Maria meets with The Conclave’s leader.

Burl Ives narrates this 1964 stop-motion classic based on the song of the same name by Johnny Marks, about a shy reindeer with a blinking beak.

LeBlanc takes matters into his own hands to remedy his degenerative brain disease; CM and Gina escape the hospital and learn more about each other.

In this hour-long special, Boyz II Men, The Clark Sisters, Erica Campbell, Kierra Sheard, Ne-Yo, Tasha Cobbs-Leonard and Le’Andria Johnson perform; Meagan Good and DeVon Franklin host.

Cassie grows more suspicious of Legarski after a threatening conversation with the state trooper; Helen confronts her son Ronald.

♦ ON THIS DAY IN TV HISTORY ♦
On Dec. 1, 1998, Michael Zaslow made his final appearance as One Life to Live‘s David Renaldi — days before the daytime-TV vet died of a heart attack, after living with ALS (h/t SOD).