List of running gags

Running Gags
phineas and ferb has alot of running gags here's a few examples:

Ferbs few lines:
roller coaster: "platypus' are the only mammals to lay eggs"

backyard beach: "with a slight scatter of lawn gnomes"

candice loses her head: "much better than that monkey idia"

swiss family phineas: "it had to be done"

"Watcha doin?" said by:
isabella (main character to say it)

lawence

phineas "that sinking feeling"

"where's perry?" said by:
phineas (main character to say it)

erwin "hide and seek"

ferb "cheer up, candice"

lawence