How Lisa Got Her Marge Back/Gags

==Title Screen Gag==
800px-HLGHMB_title_screen_gag.png
==Billboard Gag==
Season_27_Billboard_Gag_(1).png
==Chalkboard Gag==
Vlcsnap-2016-12-30-03h54m34s810.png|Never lose a bet to Bart Simpson (Principal Skinner is writing).
==Couch Gag==
How_Lisa_Got_Her_Marge_Back_Couch_Gag.png|Sleeping Space Chambers couch gag