Trivia / Phineas And Ferb A Hard Days Knight

• Acting for Two: The person who Perry shows his fake ID to is voiced by Dee Bradley Baker, who voices Perry himself.
• Cut Song: The airy music that is heard during Phineas and Ferb's jousting was initially a song entitled "Sir Phineas and Ferb".
• First Appearance: Ferb's paternal grandparents, Reg and Winnifred Fletcher, debut in this episode.
• Special Guest: Tim Curry as Stubbings the Butler and Dr. Lloyd Wexler, making him the third The Rocky Horror Picture Show alumnus to appear after Richard O'Brien as Lawrence and Barry Bostwick as Grandpa Flynn.

---