Here's what will be airing on TBS on St. Paddy's Day, all times Eastern:

6am-Family Matters: "An Officer and a Waldo" (S4E7, OAD: November 6, 1992)
6:30am-Family Matters: "Just One Date" (S4E8, OAD: November 13, 1992)
7am-Young Sheldon: "Albert Einstein and the Story of Another Mary" (S2E17, OAD: March 7, 2019)
7:30am-Young Sheldon: "A Perfect Score and a Bunsen Burner Marshmallow" (S2E18, OAD: April 4, 2019)
8am-Young Sheldon: "A Political Campaign and a Candy Land Cheater" (S2E19, OAD: April 25, 2019)
8:30am-Young Sheldon: "A Proposal and a Popsicle Stick Cross" (S2E20, OAD: May 2, 2019)
9am-Young Sheldon: "A Broken Heart and a Crock Monster" (S2E21, OAD: May 9, 2019)
9:30am-Young Sheldon: "A Swedish Science Thing and the Equation for Toast" (S2E22, OAD: May 16, 2019)
10am-Friends: "The One with the Stripper" (S8E8, OAD: November 15, 2001)
10:30am-Friends: "The One with the Rumor" (S8E9, OAD: November 22, 2001)
11am-Friends: "The One with Monica's Boots" (S8E10, OAD: December 6, 2001)
11:30am-Friends: "The One with Ross's Step Forward" (S8E11, OAD: December 13, 2001)
12pm-Friends: "The One Where Joey Dates Rachel" (S8E12, OAD: January 10, 2002)
12:30pm-Friends: "The One Where Chandler Takes a Bath" (S8E13, OAD: January 17, 2002)
1pm-Friends: "The One with the Secret Closet" (S8E14, OAD: January 31, 2002)
1:30pm-Friends: "The One with the Birthing Video" (S8E15, OAD: February 7, 2002)
2pm-Friends: "The One Where Joey Tells Rachel" (S8E16, OAD: February 28, 2002)
2:30pm-Friends: "The One with the Tea Leaves" (S8E17, OAD: March 7, 2002)
3pm-Friends: "The One in Massapequa" (S8E18, OAD: March 28, 2002)
3:30pm-Friends: "The One with Joey's Interview" (S8E19, OAD: April 4, 2002)
4pm-The Big Bang Theory: "The Platonic Permutation" (S9E9, OAD: November 19, 2015)
4:30pm-The Big Bang Theory: "The Earworm Reverberation" (S9E10, OAD: December 10, 2015)
5pm-The Big Bang Theory: "The Opening Night Excitation" (S9E11, OAD: December 17, 2015)
5:30pm-The Big Bang Theory: "The Sales Call Sublimation" (S9E12, OAD: January 7, 2016)
6pm-The Big Bang Theory: "The Empathy Optimization" (S9E13, OAD: January 14, 2016)
6:30pm-The Big Bang Theory: "The Meemaw Materialization" (S9E14, OAD: February 4, 2016)
7pm-The Big Bang Theory: "The Valentino Submergence" (S9E15, OAD: February 11, 2016)
7:30pm-The Big Bang Theory: "The Positive Negative Reaction" (S9E16, OAD: February 18, 2016)
8pm-The Big Bang Theory: "The Celebration Experimentation" (S9E17, OAD: February 25, 2016)
8:30pm-The Big Bang Theory: "The Application Deterioration" (S9E18, OAD: March 10, 2016)
9pm-The Big Bang Theory: "The Solder Excursion Diversion" (S9E19, OAD: March 31, 2016)
9:30pm-The Big Bang Theory: "The Big Bear Precipitation" (S9E20, OAD: April 7, 2016)
10pm-The Big Bang Theory: "The Viewing Party Combustion" (S9E21, OAD: April 21, 2016)
10:30pm-The Big Bang Theory: "The Fermentation Bifurcation" (S9E22, OAD: April 28, 2016)
11pm-The Big Bang Theory: "The Line Substitution Solution" (S9E23, OAD: May 5, 2016)
11:30pm-The Big Bang Theory: "The Convergence Convergence" (S9E24, OAD: May 12, 2016)
12am-Modern Family: "Clean for a Day" (S7E12, OAD: February 10, 2016)
12:30am-Modern Family: "Thunk in the Trunk" (S7E13, OAD: February 17, 2016)
1am-Modern Family: "The Storm" (S7E14, OAD: February 24, 2016)
1:30am-Modern Family: "I Don't Know How She Does It" (S7E15, OAD: March 2, 2016)
2am-Modern Family: "The Cover-Up" (S7E16, OAD: March 16, 2016)
2:30am-Modern Family: "Express Yourself" (S7E17, OAD: March 23, 2016)
3am-Modern Family: "The Party" (S7E18, OAD: April 6, 2016)
3:30am-Modern Family: "Man Shouldn't Lie" (S7E19, OAD: April 13, 2016)
4am-Modern Family: "Promposal" (S7E20, OAD: May 4, 2016)
4:30am-Modern Family: "Crazy Train" (S7E21, OAD: May 11, 2016)
5am-Modern Family: "Double Click" (S7E22, OAD: May 18, 2016)
5:30am-Modern Family: "A Tale of Three Cities" (S8E1, OAD: September 21, 2016)