Here's what will be airing on UPtv on April Fools Day, all times Eastern:

8am-Heartland: "Here and Now" (S10E8, OAD: November 20, 2016)
9am-Heartland: "A Horse With No Rider" (S10E9, OAD: December 4, 2016)
10am-The Mary Tyler Moore Show: "Lou Proposes" (S7E9, OAD: November 20, 1976)
10:30am-The Mary Tyler Moore Show: "Murray Can't Lose" (S7E10, OAD: November 27, 1976)
11am-The Mary Tyler Moore Show: "Mary's Insomnia" (S7E11, OAD: December 4, 1976)
11:30am-The Mary Tyler Moore Show: "Ted's Temptation" (S7E12, OAD: December 11, 1976)
12pm-Reba: "Ring-a-Ding (Part 2)" (S2E10, OAD: November 22, 2002)
12:30pm-Reba: "Cookies For Santa" (S2E11, OAD: December 13, 2002)
1pm-Reba: "A Moment in Time" (S2E12, OAD: January 10, 2003)
1:30pm-Reba: "The Vasectomy" (S2E13, OAD: January 17, 2003)
2pm-Reba: "The Rings" (S2E14, OAD: January 24, 2003)
2:30pm-Reba: "Seeing Red" (S2E15, OAD: January 31, 2003)
3pm-Last Man Standing: "Papa Bear" (S6E1, OAD: September 23, 2016)
3:30pm-Last Man Standing: "Gameday Forecast: Showers" (S6E2, OAD: September 30, 2016)
4pm-Last Man Standing: "Where There's Smoke, There's Ire" (S6E3, OAD: October 7, 2016)
4:30pm-Last Man Standing: "Boyd Will Be Boyd" (S6E4, OAD: October 14, 2016)
5pm-Hudson & Rex: "Dead Man Walking" (S2E5, OAD: October 22, 2019)
6pm-Hudson & Rex: "Under the Influencer" (S2E6, OAD: October 29, 2019)
7pm-The Rookie: "Now and Then" (S2E12, OAD: March 1, 2020)
8pm-The Rookie: "Follow-Up Day" (S2E13, OAD: March 8, 2020)
9pm-The Rookie: "Casualties" (S2E14, OAD: March 15, 2020)
10pm-The Rookie: "Hand-Off" (S2E15, OAD: March 22, 2020)
11pm-Blue Bloods: "The Poor Door" (S5E14, OAD: February 6, 2015)
12am-Blue Bloods: "Power Players" (S5E15, OAD: February 13, 2015)
1am-Blue Bloods: "In the Box" (S5E16, OAD: February 20, 2015)
2am-Blue Bloods: "Occupational Hazard" (S5E17, OAD: March 6, 2015)