Here's Lucy
Lucy and Wally Cox
S2 E21:
Wally is the whimpish son of one of Harry's highschool buddies, Moose Manly. After hearing Moose's story about his son, Lucy insists on helping Wally overcome his fear of girls. So they frame a break-in at an old warehouse and let Wally save the day.
Starring
Wally Cox, Alan Hale Jr., Gil Perkins