In his Nicktoons review, Rocko's Modern Life is briefly covered.
In his review of The Pebble and the Penguin, when Hubie says that he has to tell Rocko something, the Critic says, "Your modern life is no longer in reruns."
SCP Foundation: SCP-6080 is a sentient cardboard box that is able to produce DVDs and VHS tapes that consist animated family films and shows. The foundation discovered following a series of posts on the internet that proclaimed the existence of a "cursed" VHS tape of Rocko's Modern Life.
Robot Chicken: A sketch from "Fila Ogden in: Maggie's Got a Full Load" involves Rocko leaving his house to try to get to America, only to get run over and killed by several cars.