when did the conception of this series started?
2002
30 Rock
In 2002, Fey was the head writer and a performer on the television show "Saturday Night Live" ("SNL"). She pitched the show that became "30 Rock" to NBC, originally as a sitcom about cable news. NBC Entertainment president Kevin Reilly felt that "Fey was using the news setting as a fig leaf for her own experience and [he] encouraged her to write what she knew." The show was subsequently reworked to revolve around an "SNL"-style sketch show. After being presented to Reilly once more, the show was set to air during the 2005–2006 television season.
what is when it rains, it pours (30 rock)? It is an episode of the  fifth season of the American television comedy series "30 Rock".
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30 Rock [SEP] Conception
In 2002, Fey was the head writer and a performer on the television show "Saturday Night Live" ("SNL"). She pitched the show that became "30 Rock" to NBC, originally as a sitcom about cable news. NBC Entertainment president Kevin Reilly felt that "Fey was using the news setting as a fig leaf for her own experience and [he] encouraged her to write what she knew." The show was subsequently reworked to revolve around an "SNL"-style sketch show. After being presented to Reilly once more, the show was set to air during the 2005–2006 television season. In May 2003, Fey signed a contract with NBC to remain in her "SNL" head writer position until at least the 2004–2005 television season and to develop a primetime project to be produced by Broadway Video and NBC Universal.