Rubies Are Forever

 is the twenty-third episode of "Backyardigans x Frontyardigans" written by Hornean. This is written as a sequel to The Backyardigans episode, International Super Spy

Summary
Agent Secret is back, and he leads a team of spies with him including Agent Pink (formerly known as the Lady in Pink). The team were tasked to retrieve the rubies before the evil Dr. Cat whom they suspect that she wants rubies to make her plans for world domination.

Characters

 * Pablo (Agent Secret)
 * Uniqua (Agent Pink)
 * Tasha (Miss T.)
 * Thomas (Henchman Thomas)
 * Sophie (Dr. Cat)
 * Austin (Secret Contact Austin)
 * Andrew (CIA Agent Andrew)
 * Tyrone (Agent Tyrone)
 * Martin (D)
 * Henwen (Miss Moneynickel)
 * Denise (Analyst Denise)
 * Victor (Professor Victor)
 * Moe (Henchman Moe)

Quotes

 * Martin (D): Here's something I'm particularly proud of, Agent Secret. This is the D-copter. Light, agile, television-equipped for surveillance.
 * Pablo (Agent Secret): Oh, I can see how you might get a rise out of it.
 * Martin (D): Oh, grow up, Agent Secret.

Trivia

 * This episode is released on the same day as the new James Bond film released in the USA, Spectre.