Aired: November 6, 2007 | Season: 1 | Episode: 7
Overview
Runtime: 21m
Directed by: Mark Cendrowski
Written by: Jennifer Glickman, Lee Aronsohn
Guest stars: Brooke D'Orsay, Carol Ann Susi, James Hong
Description
When Wolowitz seduces one of Penny's friend who then takes over her apartment, Penny sleeps on Leonard and Sheldon's couch. Meanwhile, Penny is recruited to fill in for Howard on the guys' Halo team.
Season 1 Episode 6
The Middle-Earth Paradigm
Season 1 Episode 8
The Grasshopper Experiment