|Posted on Oct 12, 2012 12:00am|
Sheldon hires an assistant named Alex, an attractive female grad student. Amy gets incredibly jealous of Sheldon having a female assistant, but it turns out that Alex is actually more interested in Leonard. Penny doesnâ€™t quite know what to do, since this does make her a tad jealous, so she â€œmarks her territoryâ€ by sleeping with Leonard. Meanwhile, Wolowitzâ€™ return from space has been delayed a week and he starts to lose his mind because of it. Heâ€™ll eventually make it back to earth in #604 and theyâ€™ll deal with the ramifications of things that have changed in his absence.