In "Time Transmission", Kamikazi's pet is a piranha. However, in "Metal Monster", his pet is a chameleon.
In "Metal Monster", Vance Cosgrove and Gus' parents make their first apperances.
Famous creatures locked up in "Metal Monster" include:
1)The Loch Ness monster
It is revealed that Tommy Turnbull and his friends live in San Francisco, California.
Vance Cosgrove: (About Robotboy) Hey, kid, what 'ya got there?
Tommy: Just a dumb toy.
Gus: Yeah, a dumb toy for dumb kids like us. Well, maybe them.
Robotboy: Me no evil!
Robotboy: Assassin robot looks like Donnie.
Tommy: No way! Robotboy wouldn't go crazy and destroy everything!
Cartoon Network UK Airdate: November 11th, 2005.