Zattoo adds FAST channels from Mainstream Media TV streaming provider Zattoo has added three FAST channels from Mainstream Media AG to its line-up in Germany. World of Freesports, Starke Frauen and Filmgold are included in all packages. Ultimate and Premium subscribers can pause, restart and watch the channels’ content in a 7-day catch-up window. With the move, Zattoo is expanding its partnership with Mainstream Media AG. Zattoo already offers the Munich-based media company’s pay-TV channels Romance TV, Goldstar TV and Heimatkanal in the Fernsehen mit Herz subscription package.