The following is a list of every new TV episode airing on December 20, 2017. Titles are listed by time and then sorted alphabetically.
3/2 AM:
- La Casa de Papel (Netflix, Series Premiere)
7/6 PM:
- 15: A Quinceañera Story – Rosi (HBO, Special)
- Homestead Rescue (Discovery Channel)
8/7 PM:
- America’s Badlands (Smithsonian, Special)
- Bunsen is a Beast (Nicktoons)
- The Librarians (TNT, Back-to-Back New Episodes)
- Man’s Greatest Food (Cooking Channel)
- Survivor (CBS, Two-Hour Season 35 Finale)
- Undeniable with Joe Buck (Audience, Season 4 Finale)
8:30/7:30 PM:
- Harvey Beaks (Nicktoons)
9/8 PM:
- Black Ink Crew (VH1)
- Dian Fossey: Secrets in the Mist (National Geographic Channel, Season 1 Finale)
- Expedition Unknown (Travel Channel)
- Iron Chef Showdown (Food Network)
- Little Women: Atlanta (Lifetime)
- MythBusters (Science Channel)
- Nova: Bird Brain (PBS)
- Property Brothers at Home (HGTV, Season 3 Finale)
- The Real Housewives of New Jersey (Bravo)
- Religion of Sports (Audience, Season 2 Finale)
- Storage Wars (A&E)
- Total Divas (E!)
- Unique Rides (Velocity)
- Unusual Suspects (ID)
- Vikings (History Channel)
9:30/8:30 PM:
- Storage Wars (A&E)
10/9 PM:
- Are You the One? (MTV, Season 6 Finale)
- Bargain Mansions (DIY)
- Graveyard Carz (Velocity)
- Gunpowder (HBO, Season 1 Finale)
- Happy! (Syfy)
- Homestead Rescue (Discovery Channel)
- Iron Chef: Behind the Battle (Food Network)
- The Job Interview (CNBC)
- Knightfall (History Channel)
- Little Women: LA – Terra’s Big House (Lifetime)
- Murder in the Heartland (ID)
- Ozzy & Jack’s World Detour (A&E)
- Survivor: Reunion Special (CBS, One-Hour Special)
- The Trixie & Katya Show (Viceland)
10:30/9:30 PM:
- Bargain Mansions (DIY, Season 1 Finale)
- Full Frontal with Samantha Bee (TBS)
- Most Expensivest (Viceland)
11/10 PM:
- Desus & Mero (Viceland)
- Hot Date (POP)
11:30/10:30 PM:
- The Untitled Action Bronson Show (Viceland)