Official Description: “ On the first day of their senior year, Elena, Caroline, Bonnie and Matt are still reeling from recent events, while Tyler seems to be enjoying everything a little too much. Damon is annoyed by a new houseguest, and everyone is surprised by the arrival of a new student in Alaric’s history class. Matt asks Bonnie for help when he realizes he made a serious mistake. Meanwhile, Stefan continues to carry out his latest assignment from Klaus."
Stefan Working Out
Elena
Stefan and Elena Under the Bleachers 
Getting Close Again 
Something Scary 
Tyler and Caroline Working Out 
Getting Sweaty 
" Ghost World" (October 27)
Official Description: "As Mystic Falls prepares to celebrate the traditional Illumination Night, the town is invaded by spirits of the dead. After a particularly violent encounter with an angry spirit, Damon asks Bonnie to find the reason behind the ghosts’ surprising power. Elena convinces Jeremy to use his connection to the other side to help her find a new way to reach Stefan, leading Jeremy to a terrible choice. Finally, Alaric discovers a long-hidden clue to the past. "
Jeremy on Halloween
Jeremy and Anna 
The Ghostly Ex-Girlfriend 
Another Deadly Halloween
Halloweens in Mystic Falls tend to end badly. Vicki the vampire was killed in season 1 and Elena was kidnapped after the masquerade ball in season 2 (the same party where Tyler accidentally killed a girl and triggered his werewolf curse).