Here's CC's 4th of July schedule, all times Eastern:

7am-Parks and Recreation: "Ron and Tammy" (S2E8, OAD: November 5, 2009)
7:30am-Parks and Recreation: "94 Meetings" (S2E21, OAD: April 29, 2010)
8am-Parks and Recreation: "Ron & Tammy: Part 2" (S3E4, OAD: February 10, 2011)
8:30am-Parks and Recreation: "Soulmates" (S3E10, OAD: April 21, 2011)
9am-Parks and Recreation: "Eagleton" (S3E12, OAD: May 5, 2011)
9:30am-Parks and Recreation: "Pawnee Rangers" (S4E4, OAD: October 13, 2011)
10am-Parks and Recreation: "The Comeback Kid" (S4E11, OAD: January 12, 2012)
10:30am-Parks and Recreation: "The Debate" (S4E20, OAD: April 26, 2012)
11am-Parks and Recreation: "Win, Lose, or Draw" (S4E22, OAD: May 10, 2012)
11:30am-Parks and Recreation: "Ms. Knope Goes to Washington" (S5E1, OAD: September 20, 2012)
12pm-Parks and Recreation: "Halloween Surprise" (S5E5, OAD: October 25, 2012)
12:30pm-Parks and Recreation: "Leslie vs. April" (S5E7, OAD: November 15, 2012)
1pm-Parks and Recreation: "Leslie and Ben" (S5E14, OAD: February 21, 2013)
1:30pm-Parks and Recreation: "London" (S6E1&E2, OAD: September 26, 2013)
2:30pm-Parks and Recreation: "Doppelgängers" (S6E4, OAD: October 10, 2013)
3pm-Parks and Recreation: "Ann and Chris" (S6E13, OAD: January 30, 2014)
3:30pm-Parks and Recreation: "Moving Up" (S6E21&E22, OAD: April 24, 2014)
4:30pm-Parks and Recreation: "Leslie and Ron" (S7E4, OAD: January 20, 2015)
5pm-The Office: "Viewing Party" (S7E8, OAD: November 11, 2010)
5:30pm-The Office: "WUPHF.com" (S7E9, OAD: November 18, 2010)
6pm-The Office: "China" (S7E10, OAD: December 2, 2010)
6:35pm-The Office: "Classy Christmas" (S7E11&E12, OAD: December 9, 2010)
7:45pm-The Office: "Ultimatum" (S7E13, OAD: January 20, 2011)
8:20pm-The Office: "The Seminar" (S7E14, OAD: January 27, 2011)
8:55pm-The Office: "The Search" (S7E15, February 3, 2011)
9:30pm-The Office: "PDA" (S7E16, February 10, 2011)
10pm-The Office: "Threat Level Midnight" (S7E17, OAD: February 17, 2011)
10:30pm-The Office: "Todd Packer" (S7E18, OAD: February 24, 2011)
11pm-Family Guy: "Dog Bites Bear" (S16E11, OAD: January 14, 2018)
11:30pm-Family Guy: "V Is for Mystery" (S16E13, OAD: March 25, 2018)
12am-Family Guy: "Veteran Guy" (S16E14, OAD: April 1, 2018)
12:30am-Digman!: "The Mile High Club" (S1E5, OAD: April 19, 2023)
1am-South Park: "Unfulfilled" (S22E9, OAD: December 5, 2018)
1:30am-South Park: "Bike Parade" (S22E10, OAD: December 12, 2018)
2am-South Park: "Mexican Joker" (S23E1, OAD: September 25, 2019)
2:30am-South Park: "Band in China" (S23E2, OAD: October 2, 2019)
3am-South Park: "Shots!!!" (S23E3, OAD: October 9, 2019)
3:30am-South Park: "Let Them Eat Goo" (S23E4, OAD: October 16, 2019)
4am-South Park: "Tegridy Farms Halloween Special" (S23E5, OAD: October 30, 2019)
4:30am-South Park: "Season Finale" (S23E6, OAD: November 6, 2019)

Also checked and it seems that Seinfeld is off the Comedy Central lineup as of last early July.