Chain Letters!

Edith Bunker plays it safe, Mrs. Garret lays down the law, and Tim the Toolman Taylor ends up with a classic case of black eye and green hands... This week's trope is Chain Letters (and the misfortune they cause)! Here's what we're watching:

• All in the Family S6 E6 "Chain Letter"
• Facts of Life S5 E13 "The Chain Letter"
• Home Improvement S1 E19 "Unchained Malady"
• 3rd Rock From the Sun S4 E16 "Superstitious Dick"