Doomsday Plus One is the seventeenth episode of Fantastic Four: World's Greatest Heroes and it first aired on September 1, 2007.
Doombots invade the Baxter Building at 4 O'clock in the morning, but their attack is just a distraction for Doom to launch the Baxter Building into space and that it was to get the Fantastic Four out of the way so he can get their cosmic powered device.
|Reed Richards||Hiro Kangawa|
|Susan Storm||Lara Gilchrist|
|Jhonny Storm||Christopher Jacot|
|Ben Grimm||Brian Dobson|
|Dr Doom||Paul Dobson|
|Lucia Von Bardas||Venus Terzo|