Here's a look at Comedy Central's schedule for Thanksgiving, all times Eastern:

7am-South Park: "Starvin' Marvin" (S1E8, OAD: November 19, 1997)
7:30am-South Park: The Black Friday Trilogy ["Black Friday", "A Song of Ass and Fire", "Titties and Dragons" (S17E7, E8 & E9, OADs: November 13, November 20 & December 4, 2013)
9am-South Park: "Starvin' Marvin in Space" (S3E13, OAD: November 17, 1999)
9:35am-South Park: "Helen Keller! The Musical" (S4E13, OAD: November 22, 2000)
10:10am-South Park: "A History Channel Thanksgiving" (S15E13, OAD: November 9, 2011)
10:45am-South Park: "Turkey Trot" (S28E4, OAD: November 26, 2025)
11:15am-South Park: "Chickenlover" (S2E4, OAD: May 27, 1998)
11:50am-South Park: "Cripple Fight" (S5E2, OAD: June 27, 2001)
12:25pm-South Park: "The Return of the Fellowship of the Ring to the Two Towers" (S6E13, OAD: November 13, 2002)
1pm-South Park: "Good Times with Weapons" (S8E1, OAD: March 17, 2004)
1:30pm-South Park: "Medicinal Fried Chicken" (S14E3, OAD: March 31, 2010)
2pm-South Park: "T.M.I." (S15E4, OAD: May 18, 2011)
2:30pm-South Park: "Freemium Isn't Free" (S18E6, OAD: November 5, 2014)
3pm-South Park: "Pandemic" (S12E10, OAD: October 22, 2008)
3:30pm-South Park: "Pandemic 2: The Startling" (S12E11, OAD: October 29, 2008)
4pm-South Park: "Turkey Trot" (S28E4, OAD: November 26, 2025)
4:30pm-South Park: "The Tale of Scrotie McBoogerballs" (S14E2, OAD: March 24, 2010)
5pm-South Park: "Helen Keller! The Musical" (S4E13, OAD: November 22, 2000)
5:30pm-South Park: "A History Channel Thanksgiving" (S15E13, OAD: November 9, 2011)
6pm-Family Guy: "The Simpsons Guy" (S13E1, OAD: September 28, 2014)
7pm-Family Guy: "The Big Bang Theory" (S8E16, OAD: May 8, 2011)
7:35pm-Family Guy: "A Fistful of Meg" (S12E4, OAD: November 10, 2013)
8:10pm-Family Guy: "Chap Stewie" (S12E21, OAD: May 18, 2014)
8:45pm-Family Guy: "Trump Guy" (S17E11, OAD: January 13, 2019)
9:20pm-Family Guy: "Thanksgiving" (S10E6, OAD: November 20, 2011)
9:55pm-Family Guy: "Turkey Guys" (S13E5, OAD: November 16, 2014)
10:30pm-Family Guy: "Shanksgiving" (S18E8, OAD: November 24, 2019)
11pm-Family Guy: "Pawtucket Pete" (S17E9, OAD: December 9, 2018)
11:30pm-Family Guy: "Road to the North Pole" (S9E7, OAD: December 12, 2010)
12:30am-Family Guy: "Brief Encounter" (S20E5, OAD: October 24, 2021)
1am-Family Guy: "Cootie & The Blowhard" (S20E6, OAD: November 7, 2021)
1:30am-Family Guy: "Peterschmidt Manor" (S20E7, OAD: November 14, 2021)
2am-Family Guy: "The Birthday Bootlegger" (S20E8, OAD: November 21, 2021)
2:30am-Mike Judge's Beavis and Butt-Head: "Million Dollar Reward & Get Well Soon" (S3E27&E28, OAD: November 26, 2025)
3am-South Park: "Turkey Trot" (S28E4, OAD: November 26, 2025)
3:30am-South Park: "Starvin' Marvin" (S1E8, OAD: November 19, 1997)
4am-South Park: "Starvin' Marvin in Space" (S3E13, OAD: November 17, 1999)
4:30am-South Park: "Helen Keller! The Musical" (S4E13, OAD: November 22, 2000)
5am-South Park: "A History Channel Thanksgiving" (S15E13, OAD: November 9, 2011)
5:30am-South Park: "Tegridy Farms Halloween Special" (S23E5, OAD: October 30, 2019)