This page contains Phineas And Ferb: Across The Second Dimension Glitches for Nintendo DS called "Underground glitch" and has been posted or updated on Aug 28, 2012 by thunderstorm5. Let us know what you think of this Glitch by thumbs voting.
On the 1st level go down the slide in the tree house. near the bottom jump 2 seconds before end.you will go through the floor.
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