Here's what will be airing on Comedy Central on Mother's Day, all times Eastern:

6am-South Park: "#REHASH" (S18E9, OAD: December 3, 2014)
6:30am-South Park: "#HappyHolograms" (S18E10, OAD: December 10, 2014)
7am-South Park: "Stunning and Brave" (S19E1, OAD: September 16, 2015)
7:30am-South Park: "Where My Country Gone?" (S19E2, OAD: September 23, 2015)
8am-Parks and Recreation: "Practice Date" (S2E4, OAD: October 8, 2009)
8:30am-Parks and Recreation: "Sister City" (S2E5, OAD: October 15, 2009)
9am-Parks and Recreation: "Kaboom" (S2E6, OAD: October 22, 2009)
9:30am-Parks and Recreation: "Greg Pikitis" (S2E7, OAD: October 29, 2009)
10am-The Hangover (RD: June 5, 2009)
12:15pm-The Hangover Part II (RD: May 26, 2011)
2:30pm-The Hangover Part III (RD: May 24, 2013)
5pm-Seinfeld: "The Sponge" (S7E9, OAD: December 7, 1995)
5:30pm-Seinfeld: "The Gum" (S7E10, OAD: December 14, 1995)
6pm-Seinfeld: "The Rye" (S7E11, OAD: January 4, 1996)
6:30pm-Seinfeld: "The Caddy" (S7E12, OAD: January 25, 1996)
7pm-Seinfeld: "The Seven" (S7E13, OAD: February 1, 1996)
7:30pm-Seinfeld: "The Cadillac (Part 1)" (S7E14, OAD: February 8, 1996)
8pm-Seinfeld: "The Cadillac (Part 2)" (S7E15, OAD: February 8, 1996)
8:30pm-Seinfeld: "The Shower Head" (S7E16, OAD: February 15, 1996)
9pm-Family Guy: "Cat Fight" (S18E5, OAD: November 3, 2019)
9:30pm-Family Guy: "Peter & Lois' Wedding" (S18E6, OAD: November 10, 2019)
10pm-Family Guy: "Heart Burn" (S18E7, OAD: November 17, 2019)
10:30pm-Family Guy: "Shanksgiving" (S18E8, OAD: November 24, 2019)
11pm-Family Guy: "Christmas Is Coming" (S18E9, OAD: December 15, 2019)
11:30pm-Family Guy: "Connie's Celica" (S18E10, OAD: January 5, 2020)
12am-Family Guy: "Short Cuts" (S18E11, OAD: February 16, 2020)
12:30am-South Park: "**** Magic" (S18E8, OAD: November 19, 2014)
1am-South Park: "The City Part of Town" (S19E3, OAD: September 30, 2015)
1:30am-South Park: "You're Not Yelping" (S19E4, OAD: October 14, 2015)
2am-South Park: "Safe Space" (S19E5, OAD: October 21, 2015)
2:30am-South Park: "Tweek x Craig" (S19E6, OAD: October 28, 2015)
3am-South Park: "Naughty Ninjas" (S19E7, OAD: November 11, 2015)
3:30am-South Park: "Sponsored Content" (S19E8, OAD: November 18, 2015)
4am-South Park: "Truth and Advertising" (S19E9, OAD: December 2, 2015)
4:30am-South Park: "PC Principal Final Justice" (S19E10, OAD: December 9, 2015)
5am-South Park: "Member Berries" (S20E1, OAD: September 14, 2016)
5:30am-South Park: "Skank Hunt" (S20E2, OAD: September 21, 2016)