User blog comment:HobbesTiger64/The Alien Invasion Arc/@comment-38512414-20200219015843

Here's the info about Ultraman Belial

Length: 15 episodes

Main Characters: SMG4& Ultraman Zero

Villian: Ultraman Belial: The Evil, Corrupted Ultraman. He was once killed by his son, Geed, But somehow he was transported into SMG4's universe... And He destroys Area 51 as he finds a Imit-Belial created by Aliens residing at that place... It was also revealed that Belial is the only thing that the Armageddon empire fears, even Nul feared his name!!!

Story: Belial, the Dead Evil Ultraman was spotted at SMG4's Universe... and He was the one who caused all of the previous Arcs for his revival! Now, Belial has found his new body at Area 51 as he destroys it to destroy the SMG4verse! Can the Gang stop him and save the universe?

Tone: Seriously Dark, since Belial Kills Boopkin's dad and destroys Inkopolis, leaving Meggy the only survivor.

Finale: SMG4 and Ultraman Zero defeats Belial with his soul completely dead and uses Shining Stardrive to restore the Damage that Belial once caused.