Board Thread:General Discussion/@comment-27153970-20170927004249/@comment-32172251-20170927024735

Its Most Likely Because Ben Slams On the omnitrix too much which cause him to turn into a random alien. Also It May Be That Alien X Is Stored Way In The Back Of The Omnitrix Collection, Which Means In Most Cases Ben Cant Get To The End Of The Selection Of Aliens He Has Due to Not Having Too Much Time To Go Through Them All