The Lawn Party (S03E20)

S03E01 No Apron Strings S03E02 Never in Twain S03E03 Betty Goes to College S03E04 Man About Town S03E05 The Homing Pigeon S03E06 Spaghetti for Margaret S03E07 Betty's Birthday S03E08 Bud, the Millionaire S03E09 The Old Days S03E10 Whistle Bait S03E11 The Great Guy S03E12 The Family Goes to New York S03E13 Betty Goes Steady S03E14 The Good Prospect S03E15 The Angel's Sweater S03E16 The Promising Young Man S03E17 Margaret Hires a Gardener S03E18 Swiss Family Anderson S03E19 Brief Holiday S03E20 The Lawn Party S03E21 Short Wave S03E22 Carnival S03E23 Betty and the Jet Pilot S03E24 Trip to Hillsborough S03E25 An Evening to Remember S03E26 Bud Buys a Car S03E27 Safety First S03E28 Bud, the Hero S03E29 Betty, the Track Star S03E30 The Spelling Bee S03E31 Bud, the Philanthropist S03E32 Baby in the House S03E33 Class Prophecy S03E34 The Art of Romance S03E35 Margaret Disowns Her Family S03E36 Grandpa Retires S03E37 Shoot for the Moon