When glass shatters

Phineas and ferb are enjoying summer life, meanwhile Henry stein is stuck in a inky realm full of monsters, but one day there reality's start to shatter, causing the ink demon to become stronger, Henry has deafeted the ink demon 114 times before, this time was going to be difficult, but with the help of phineas and the gang, Henry can stop the ink demon, go home, and save the multiverse from shattering