Phineas and Ferb Season 4 Episode 23 - Thanks But No Thanks Episode Title: Thanks But No Thanks Episode Description: After learning about Monty and Vanessa's secret relationship, Carl bribes Monty into helping him get some much needed acknowledgement from Monogram, while Dr. Doofenshmirtz creates his "Inflator-inator" to try to silence his neighbor who plays the bagpipes every day. Meanwhile, Phineas and Ferb introduces pyramid-related sports to be played with their friends. Meanwhile, Candace is ecstatic when she discovers that her neighbor Peggy McGee has witnessed all of Phineas and Ferb's summer antics and is happy to tell Mom about them, but every time she tries to do so, she's gone.