|Knights of the Multiplication Table|
|Season 4, Episode 19|
A Very Special Boy
Phineas daydreams that he and his friends are knights, (with Adam as their loyal jester) and they have to save Lady Warthog from Jake Dragonmonkey.
- Adam Lyon
- Jake Spidermonkey
- Phineas Porpoise
- Marvin Hammy
- Aloysius Elephant
- Daniel Calamari
- Nestor Parrot
- Mr. Blowhole
- Principal Pixiefrog
- Mr. Mandrill (As Minstrel Mandrill)
- Mrs. Warthog (As Lady Warthog)
- Bull Sharkowski (As Bog Sharkowsky)
- Kerry Anderson (As a siren)
- Ingrid Giraffe (As a siren)
- Lupe Toucan (As a siren)
- Margaret Rhino (As a siren)
- Latanya Hippo (As a siren)
- Joanie Ox (As a siren)
- Mrs. Tusk (As a siren)
- Slips Python (As one head of The Two-Headed Barbarian)
- Windsor Gorilla (As the other head of The Two-Headed Barbarian)
- The title is a pun on "Knights of the Round Table".
- First and only "Alternate Version" episode.
- The Spiffies are studying "Ways Gilligan could have easily gotten off the island". This is a reference to Gilligan's Island.
- The Spiffies still address Adam as "A-dumb", the insult they came up with in "Animal Testing".
- Daniel Calamari has severe allergies to boats and is heavily prone to sea sickness. Because of this, his parents can't ever take vacations.
- It's revealed the setting of My Gym Partner's a Monkey takes place in the real life city of Glendale, California, as Phineas' alter-ago in his imagination is named "Sir Chauncy of Glendale".
- Billboard Gag: Where's Our Marquee Post?! (Note: the camera would then zoom out, revealing the billboard is not supported by any posts, causing the sign to drop to the ground)