Little Green Men and a Fella's Marriage Proposal (S06E18)

S06E01 Four Hundred Cartons of Undeclared Cigarettes and a Niblingo S06E02 Future Worf and the Margarita of the South Pacific S06E03 Passion's Harvest and a Sheldocracy S06E04 Blonde Ambition and the Concept of Zero S06E05 A Resident Advisor and the Word 'Sketchy' S06E06 An Ugly Car, an Affair and Some Kickass Football S06E07 A Tougher Nut and a Note on File S06E08 Legalese and a Whole Hoo-Ha S06E09 College Dropouts and the Medford Miracle S06E10 Pancake Sunday and Textbook Flirting S06E11 Ruthless, Toothless and a Week of Bed Rest S06E12 A Baby Shower and a Testosterone-Rich Banter S06E13 A Frat Party, a Sleepover and the Mother of All Blisters S06E14 A Launch Party and a Whole Human Being S06E15 Teen Angst and a Smart-Boy Walk of Shame S06E16 A Stolen Truck and Going on the Lam S06E17 A German Folk Song and an Actual Adult S06E18 Little Green Men and a Fella's Marriage Proposal S06E19 A New Weather Girl and a Stay-at-Home Coddler S06E20 German for Beginners and a Crazy Old Man with a Bat S06E21 A Romantic Getaway and a Germanic Meat-Based Diet S06E22 A Tornado, a 10-Hour Flight and a Darn Fine Ring