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Little House on the Prairie: Season4 | Episode21
I'll Be Waving As You Drive Away (1)
Mary falls in love with Seth. When Mary’s eyesight starts to get worse, Charles takes her to a specialist. He is devastated when the specialist tells him that Mary will lose her sight. Charles is unable to tell Mary for a while that she is going blind. When Mary does go blind, the whole family suffers.
S4 - E1Castoffs Sep. 11, 1977
S4 - E2Times Of Change Sep. 18, 1977
S4 - E3My Ellen Sep. 25, 1977
S4 - E4The Handyman Oct. 02, 1977
S4 - E5The Wolves Oct. 16, 1977
S4 - E6The Creeper of Walnut Grove Oct. 23, 1977
S4 - E7To Run And Hide Oct. 30, 1977
S4 - E8The Aftermath Nov. 06, 1977
S4 - E9The High Cost Of Being Right Nov. 13, 1977
S4 - E10The Fighter Nov. 20, 1977
S4 - E11Meet Me At The Fair Nov. 27, 1977
S4 - E12Here Come The Brides Dec. 04, 1977
S4 - E13Freedom Flight Dec. 11, 1977
S4 - E14The Rivals Jan. 08, 1978
S4 - E15Whisper Country Jan. 15, 1978
S4 - E16I Remember, I Remember Jan. 22, 1978
S4 - E17Be My Friend Jan. 29, 1978
S4 - E18The Inheritance Feb. 05, 1978
S4 - E19The Stranger Feb. 12, 1978
S4 - E20A Most Precious Gift Feb. 26, 1978
S4 - E21I'll Be Waving As You Drive Away (1) Mar. 05, 1978- S4 - E22I'll Be Waving As You Drive Away (2) Mar. 12, 1978