Weirdest/wackest episode of an otherwise normal anime you've watched?

[Star_Of_Hope]

Do you have any such anime or episode in your mind?
As for me, nothing comes to my mind, at the moment. What about you guys? Do you know any such episode ?

 

[Blackangel]

nothing comes to mind lol
and i have watched a lot and i can say that in manga i have seen some manga chapters like that.