is back! After quite a long mid-season hiatus, the hit CW drama returns this Wednesday with a brand new episode featuring a highly anticipated, mystery-fueled team-up of Betty and Tabitha -- and only ET has your exclusive sneak peek at their budding friendship!In the first look video above, Betty and Tabitha are on the case of trying to find high-as-hell Jughead, so they've returned to the scene of the crime to try and find some clues.«All this stuff about moth men and mole people, where did