Punky Brewster

One Plus Tutor is Three (4x19)

:

Punky's new math tutor Walker Wimbley turns out to be a Casanova who tests the friendship between Punky and Margaux by falling head over heals for Margaux -- crushing a lovestruck Punky. Walker turns out to be a jerk, and with Margaux and Cherie's help, Punky gets even with Walker.