Whatever way Stickybeard moves his candy sword, have Numbuh 5 do the same.
Whenever Knightbrace fires toothpaste globs at you, hide behind the wall to avoid taking damage and then hit him with gumball ammo.But don't use it all at once.If you do Knightbrace will win.
Whenever Gramma Stuffum is not using her pot lid as a shield, hit with her teddy bears at every oppurtunity you get.
Flu Bug Machine:
When the glass tanks fill up with fluid, smash them with the orange juice ammo.But just like with Knightbrace, you have to be careful not to use it all at once.
Whenever Toilenator throws toilet paper rolls at you, use the S.P.L.A.N.K.E.R. that you found earlier in the level to counter them and hit Toilenator with them.Also make sure to avoid Lizzie, the low toilet paper rolls, and the really high toilet paper rolls that can't be deflected.