|Reference||Quote or Context||Episode(s)|
|The Empty Child||The name of the episode coins a famous phrase from the Doctor Who episode "The Empty Child".||"Are You My Mummy?"|
|The Third Doctor||When Phineas and Ferb are attempting to get Candace back to normal after their machine accidentally liquefied her, Phineas explains that they "reversed the polarity" of the device so that it would solidate whatever it hits instead of liuqidate, which is what it was originally designed to do as an exotic smoothie maker. The phrase "reverse the polarity" is commonly used as a science fiction technobabble term which was popularized by the Third Doctor's use of the saying.||"Doofapus"|
|TARDIS||Phineas and Ferb's backyard S.H.E.D. seems to be much bigger on the inside. Ferb even mentions that the S.H.E.D. borrows a bit from "British sci-fi technology".||"Out to Launch "|
"Phineas and Ferb: Mission Marvel"
|The box-shaped transportation device in which Little Saul and the Breakingham Palace Crew travel in is similar to the TARDIS, as it can travel to wherever it is needed almost instantly.||"The Remains of the Platypus"|
|The Fourth Doctor||The scarf on the Abominable-Inator resembles the colorful scarf famously worn by Tom Baker as the fourth incarnation of the Doctor (1974-1981).||"For Your Ice Only"|
|Ferb dresses as the Fourth Doctor during the "Summer Around the World" concert.||"Phineas and Ferb Save Summer"|
|Weeping Angels||The episode centers around looking at an object so it cannot move, similar to the main defense strategy against the Doctor Who antagonists known as Weeping Angels. The name of the episode even coins the popular term "Don't even blink," a famous line said by the Doctor in the episode "Blink", which was the first Doctor Who episode to feature Weeping Angels.||"Don't Even Blink"|
|Doctors Six, Ten, Eleven and Rose Tyler||In the "Summer Around the World" concert in London, Baljeet dresses as the Eleventh Doctor, Phineas as the Tenth Doctor, Buford as the Sixth Doctor and Isabella as Rose Tyler as she appeared in "The Doctor Dances."||"Phineas and Ferb Save Summer"|
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