Den Of Geek's Writers'-Room Walk-Throughs for LMOE season 2:
Part 1 -- "Is There Anybody Out There?" (2x1) and "The Boo" (2x2)
Topics include why the rest of the cast was brought back so soon after Tandy and Carol struck out on their own, the aircraft carrier, the train, the decision to make Tandy a more empathetic character, the burned house, etc.
Part 2 -- "Dead Man Walking" (2x3) and "C to the T" (2x4)
Topics include the time-jump between seasons, Tandy's "gunpoint apology" and redemption arc, the stocks, the beginning of Phil 2's downward spiral, expiration dates, Forte's physical comedy, the Todd cliffhanger, etc.
Part 3 -- "Crickets" (2x5) and "A Real Live Wire" (2x6)
Topics include Gail's drinking / grief and "doctor" arc, the idea of a working freezer, disagreements among the characters over repopulation and society-building, shifting dynamics, etc.
Part 4 -- "Baby Steps" (2x7) and "No Bull" (2x8)
Topics include Erica's pregnancy, humanizing Phil 2, working with cows, Tandy's family talk and Mike's space story, Forte's fascination with male rivalry, Todd's relationships with Melissa and Gail, music cues, etc.
Part 5 -- "Secret Santa" (2x9) and "Silent Night (aka Christmas)" (2x10)
Topics include Phil 2's sudden illness, Carol's Christmas decorations, Mike's job in space, Melissa's proposal, the use of cliffhangers, the Body Lockers scene, exhuming Gordon, naming Erica's baby, etc.
Part 6 -- "Pitch Black" (2x11) and "Valhalla" (2x12)
Topics include other ideas for where Mike could've landed, filming around Sudeikis' schedule, Pat's personality, the body-bags and answering the "where are the bodies?" question, "Tubthumping" (and "Informer"), making a funny funeral, Phil 2's middle name, Tandy's "closure" song, Phil 2/Mike parallels, etc.
Part 7 -- "Fish in the Dish" (2x13) and "Skidmark" (2x14)
Topics include Jared Hess, Tandy and Carol's fertility issues, the Todd-Gail-Melissa love triangle, the quick return of Mike, Mike's effect on the rest of the group, Tandy's nickname / having to face his past / regression, etc.
Part 8 -- "Fourth Finger" (2x15) and "Falling Slowly" (2x16)
Topics include Tandy and Todd's half-shaved heads, brotherly rivalry and bonding, Forte's real mom as Tandy and Mike's mom, the drone, more relationship talk (Tandy/Carol/Mike, Todd/Melissa/Gail), etc.
Part 9 -- "Smart and Stupid" (2x17) and "30 Years of Science Down the Tubes" (2x18)
Topics include Erica's backstory and her relationship with Mike, Carol's pregnancy, Mike's sudden illness and departure, Gail's attempt to quit drinking, the DeLorean, the return of Pat, etc.