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
Courtney Laura Drummond
H.E.R.B.I.E Samuel Vincent