Were you looking for the Deleted Battles?
List of Epic Rap Battles of Creepypasta battles that had scrapped battle by multiple reasons
Epic Rap Battles of Creepypasta 14
On Smile Dog vs Mr. Widemouth, the hint at the end of the video was "T.V. Incidents", but for unknown reasons, the battle was Gateway of the Mind vs Russian Sleep Experiment, Failed Experiments, the original battle was pressumably "The Wyoming Incident vs Max Headroom Incident", since the creepypastas are well know T.V. Incidents storys.
Epic Rap Battles of Creepypasta 15
In Gateway of the Mind vs Russian Sleep Experiment, The hint was "Meet their makers, for they are why they thrive They are the basis for thier life, and how many they die", but nobody in the video got it, So it was changed by Hoody vs Masky (REMAKE), The battle was more likely Creepypastas vs Urban Legends, since the second hint was "Some are lesser known...some are locally known. Others are pure legends." and Matthew replyed "It will be full of urban".
Abandoned by Disney vs Five Nights at Freddy's
The battle was confirmed in the Season 2 Sneak Peek and the Sonic.EXE vs MARIO 2 Ending, but Matthew scrapped it since he though it was a dumb idea, he also send a link to the vocals of "Phone Guy" in the battle.
Hello? Hello! If you can hear me,
I'll tell you how to survive Five Nights at Freddy's,
Look out for the ???
??? everybody is ???
Need a charge and zero doors,
You're out of luck, you'll just make a mess
That's all I need to tell you now, I'll give you more advice
Now go out there and survive Five Nights.
- It was though that the battles in Season 2 Sneak Peek were in chronological order, this was discarded when ERBoCP#19 and #20 were "Heartful Lou vs Homicidal Liu" and "This Man vs SCP-087" instead of "FNaF vs Abandoned by Disney"