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

7am-Highway Patrol: "Dead Hunter" (S3E10, OAD: December 9, 1957)
7:35am-Highway Patrol: "Convicted Innocent" (S3E11, OAD: December 16, 1957)
8:10am-Adam-12: "Easy Drop" (S5E24, OAD: March 21, 1973)
8:45am-Adam-12: "Harbor Division" (S6E1, OAD: September 12, 1973)
9:20am-Hazel: "Scheherazade and Her Frying Pan: Part 1" (S3E18, OAD: January 16, 1964)
9:55am-Hazel: "Scheherazade and Her Frying Pan: Part 2" (S3E19, OAD: January 23, 1964)
10:30am-Leave It to Beaver: "The Garage Painters" (S2E18, OAD: January 29, 1959)
11:05am-Leave It to Beaver: "Wally's Pug Nose" (S2E19, OAD: February 5, 1959)
11:40am-My Three Sons: "The Girls Next Door" (S2E18, OAD: February 1, 1962)
12:15pm-My Three Sons: "Bub Gets a Job" (S2E19, OAD: February 8, 1962)
12:50pm-Bewitched: "Man of the Year" (S4E32, OAD: May 2, 1968)
1:25pm-Bewitched: "Splitsville" (S4E33, OAD: May 16, 1968)
2pm-Here Come the Brides: "Candy and the Kid" (S2E19, OAD: February 13, 1970)
3:10pm-The Rookies: "Life Robbery" (S1E21, OAD: February 26, 1973)
4:20pm-Perry Mason: "The Case of the Paper Bullets" (S8E2, OAD: October 1, 1964)
5:35pm-Perry Mason: "The Case of the Scandalous Sculptor" (S8E3, OAD: October 8, 1964)
6:50pm-The Jeffersons: "Florence's Cousin" (S7E7, OAD: December 7, 1980)
7:25pm-The Jeffersons: "Calendar Girl" (S7E9, OAD: January 4, 1981)
8pm-Perry Mason: "The Case of the Sleepy Slayer" (S8E3, OAD: October 15, 1964)
9:15pm-Emergency!: "The Unlikely Heirs" (S6E3, OAD: October 9, 1976)
10:25pm-Adam-12: "Killing Ground" (S5E18, OAD: February 7, 1973)
11pm-Adam-12: "Nightwatch" (S5E19, OAD: February 14, 1973)
11:35pm-Barney Miller: "Hostage" (S4E20, OAD: March 23, 1978)
12:10am-Barney Miller: "Evaluation" (S4E21, OAD: May 4, 1978)
12:50am-The Carol Burnett Show: "Family Show w/ Susan Strasberg" (S9E20, OAD: February 7, 1976)
2am-Leave It to Beaver: "Beaver's Pigeons" (S2E20, OAD: February 12, 1959)
2:35am-Leave It to Beaver: "The Tooth" (S2E21, OAD: February 19, 1959)
3:10am-My Three Sons: "Le Petit Stowaway" (S2E20, OAD: February 15, 1962)
3:50am-My Three Sons: "Robbie Valentino" (S2E21, OAD: February 22, 1962)
4:25am-Dragnet: "Missing Persons – The Body" (S4E20, OAD: March 5, 1970)