Here's what's airing on IFC on April Fools Day, all times Eastern:

6am-Night Court: "Guess Who's Coming to Dinner?" (S9E6, OAD: October 30, 1991)
6:30am-Night Court: "Looking for Mr. Shannon" (S9E7, OAD: November 6, 1991)
7am-Night Court: "Teacher's Pet" (S9E8, OAD: November 13, 1991)
7:30am-Night Court: "The System Works" (S9E9, OAD: November 17, 1991)
8am-Night Court: "Get Me to the Roof on Time" (S9E10, OAD: November 20, 1991)
8:30am-Night Court: "Santa on the Lam" (S9E11, OAD: December 11, 1991)
9am-Three's Company: "Baby, It's Cold Inside" (S8E14, OAD: January 17, 1984)
9:30am-Three's Company: "Itching for Trouble" (S8E13, OAD: January 10, 1984)
10am-Three's Company: "Forget Me Not" (S8E18, OAD: February 28, 1984)
10:30am-Three's Company: "Jack's Tattoo" (S8E16, OAD: January 31, 1984)
11am-Three's Company: "Jack Takes Off" (S8E17, OAD: February 21, 1984)
11:30am-Three's Company: "The Heiress" (S8E19, OAD: March 6, 1984)
12pm-Three's Company: "Cupid Works Overtime" (S8E20, OAD: March 13, 1984)
12:30pm-Three's Company: "Friends and Lovers: Part 1" (S8E21, OAD: September 18, 1984)
1pm-Three's Company: "Friends and Lovers: Part 2" (S8E22, OAD: September 18, 1984)
1:30pm-Three's Company: "A Man About the House" (S1E1, OAD: March 15, 1977)
2pm-Three's Company: "And Mother Makes Four" (S1E2, OAD: March 22, 1977)
2:30pm-Three's Company: "It's Only Money" (S1E6, OAD: April 21, 1977)
3pm-Three's Company: "Jack the Giant Killer" (S1E5, OAD: April 14, 1977)
3:30pm-Three's Company: "No Children, No Dogs" (S1E4, OAD: April 7, 1977)
4pm-Three's Company: "Roper's Niece" (S1E3, OAD: March 31, 1977)
4:30pm-Three's Company: "Jack Looks for a Job" (S2E2, OAD: September 20, 1977)
5pm-Everybody Loves Raymond: "Slave" (S8E12, OAD: January 12, 2004)
5:30pm-Everybody Loves Raymond: "Whose Side Are You On?" (S8E13, OAD: February 2, 2004)
6pm-Everybody Loves Raymond: "Lateness" (S8E14, OAD: February 9, 2004)
6:30pm-Everybody Loves Raymond: "Party Dress" (S8E15, OAD: February 16, 2004)
7pm-Two and a Half Men: "Ate the Hamburgers, Wearing the Hats" (S1E17, OAD: February 23, 2004)
7:30pm-Two and a Half Men: "An Old Flame with a New Wick" (S1E18, OAD: March 1, 2004)
8pm-Two and a Half Men: "I Remember the Coatroom, I Just Don't Remember You" (S1E19, OAD: March 22, 2004)
8:30pm-Two and a Half Men: "Hey, I Can Pee Outside in the Dark" (S1E20, OAD: April 19, 2004)
9pm-Two and a Half Men: "No Sniffing, No Wowing" (S1E21, OAD: May 3, 2004)
9:30pm-Two and a Half Men: "My Doctor Has a Cow Puppet" (S1E22, OAD: May 10, 2004)
10pm-Two and a Half Men: "Just Like Buffalo" (S1E23, OAD: May 17, 2004)
10:30pm-Two and a Half Men: "Can You Feel My Finger? (S1E24, OAD: May 24, 2004)
11pm-Two and a Half Men: "Back Off, Mary Poppins" (S2E1, OAD: September 20, 2004)
11:30pm-Two and a Half Men: "Enjoy Those Garlic Balls" (S2E2, OAD: September 27, 2004)
12am-Two and a Half Men: "Lan Mao Shi Zai Wuding Shang" (S11E19, OAD: April 10, 2014)
12:30am-Two and a Half Men: "Lotta Delis in the Armenia" (S11E20, OAD: April 24, 2014)
1am-Three's Company: "Chrissy's Date" (S2E5, OAD: October 11, 1977)
1:30am-Three's Company: "Strange Bedfellows" (S2E4, OAD: October 4, 1977)
2am-Three's Company: "Ground Rules" (S2E1, OAD: September 13, 1977)
2:30am-Three's Company: "Janet's Promotion" (S2E3, OAD: September 27, 1977)
3am-Three's Company: "Roper's Car" (S2E7, OAD: November 1, 1977)
3:30am-Three's Company: "Chrissy's Night Out" (S2E9, OAD: November 15, 1977)
4am-Three's Company: "Helen's Job" (S2E13, OAD: December 13, 1977)
4:30am-Three's Company: "Alone Together" (S2E6, OAD: October 25, 1977)
5am-Three's Company: "Cyrano De Tripper" (S2E8, OAD: November 8, 1977)
5:30am-Three's Company: "Stanley Casanova" (S2E10, OAD: November 22, 1977)