Addition Accomplished (S04E12)

S04E01 Operation Iraq S04E02 The Heat Is On S04E03 Happy Campers S04E04 Nashville Blues S04E05 Zach's Charge S04E06 Matt's Big Gamble S04E07 What Happens on the Farm… S04E08 What the Deck? S04E09 License Revoked S04E10 Can't Win 'em All S04E11 Keep It Together S04E12 Addition Accomplished S04E13 Escape to Orlando S04E14 The Bug Is Back S04E15 Surprising Amy S04E16 Twins at Eighteen S04E17 Big Sister, Little Brother S04E18 A Roloff Winterland Part 1 S04E19 A Roloff Winterland Part 2 S04E20 Friend of the Family S04E21 Death in the Family S04E22 Back to Iraq: Part 1 S04E23 Back to Iraq: Part 2 S04E24 The Graduate S04E25 Michigan Knights S04E26 Somewhere in Time S04E27 Where It all Began S04E28 Here Come the Hogkillers S04E29 Roloffs on the River S04E30 Troubled Waters S04E31 Southern Comfort S04E32 Roloffs in Relief S04E33 A Bridge Too Near S04E34 Who's in Charge S04E35 Big Twins on Campus S04E36 Driving Miss Molly S04E37 On the Road Again S04E38 Space Jake S04E39 Of Mud and Management S04E40 Try, Try, Trebuchet S04E41 Reaching Jacob S04E42 Biggest Season Ever? S04E43 The Secret Lives of Teenage Twins S04E44 The Tractor and the Tortoise S04E45 Memories of Iraq S04E46 Matt Maxed Out S04E47 Roughing It