Scrappy-Doo 1979 had begun to sink to the point of cancellation threats from ABC, who were considering between choosing between Scooby-Doo and an unnamed pilot From Ruby-Spears Enterprises, whose pilot Evanier had also written. He successfully boosted the show's ratings and kept the show alive. Scrappy has a contradicted origin. Originally as shown in the introduction of the series, Scrappy only met his Uncle Scooby as a puppy. However, the December 1980 episode of "Scooby-Doo and Scrappy-Doo" ("Scrappy's Birthday") depicts Scrappy-Doo's birth with both Scooby and Shaggy in attendance. Born at St. Bernard's Hospital to Scooby-Doo's sister Ruby-Doo on December 20,
Scooby-Doo! The Mystery Begins first seen on the DVD of "Scooby-Doo! and the Samurai Sword", "17 Again" and "Shorts". "Scooby-Doo! The Mystery Begins" was the most-watched telecast in Cartoon Network history with 6.1 million viewers on September 13, 2009, outdistancing the previous high of 3.9 million viewers that tuned into the premiere of the animated series "". Due to the success of "Scooby-Doo! The Mystery Begins", a sequel went into development in October 2009. Titled "Scooby-Doo! Curse of the Lake Monster", principal photography commenced on March 15, 2010 in various locations around Southern California. The sequel aired on October 16, 2010 and was released