Some of my favorites:
• Destroying the Death Star - Stern SW
• Hand of the king - GOT
• Destroy the ring - LOTR
• Melt the witch - WOZ
• applause jackpot followed by Encore - GNR
• mech suit and Disco multiballs - DP
• visitor center - JP
• Cyborg MB (before the last update) - IMDN
• and of course, Horde