Cropped map (team-annotated)
Sonic Heroes 2 locations
Team name Member 1: Member 2: Member 3: Member 4:
Team Sonic Sonic Shadow Silver Scourge
Team Rose Amy Blaze Cream Vanilla
Team Underground Tails Cosmo Manic Sonia
Team Knuckles Knuckles Shade Mighty Ray
Team Archaic Mina Max Mach Sharps
Team Big Big Honey Marine Tikal
Team Chaotix Espio Charmy Vector Saffron
Team Covert Ashura Wechnia Nazo Covert
Team Dark Rouge Fang Bark Bean
Team Babylon Jet Wave Storm Hurricane
Team Badnik Scratch Grounder Coconuts Metal Sonic
Team Eggman Eggman Eggman Nega Chaos Emerl Metal Sonic II
Miscellaneous Tiara Froggy Fiona Fox Egg Pawn
Nic Tempest Megatox Guidashir

Team Underground is a team in Sonic Heroes 2. It consists of Manic and Sonia from Sonic Underground and Tails and Cosmo, who are obnoxiously infatuated - much to the chagrin of Sonic, who is very angry with Tails and therefore they need to keep themselves underground.

Manic and Sonia, being both from Sonic Underground, play the drums and keyboard respectively and therefore some Sound Test noises are played by these two. Sonic rarely provides vocals, as these are usually provided by Mina Mongoose of Team Archaic, but does provide them occasionally.

Team Underground is having a lazy sort of day. Tails and Cosmo are simply laying down, and instead of practicing, Manic and Sonia are busy talking about it, writing music near the Underground/Mystic Ruins North north border (procrastinating, in other words). Suddenly, they stop. A loud noise, coming from outside. They take a look, only to find that some people are lurking and have just entered Gigalopolis. They decide that the two of them cannot be bothered to go down and have a look themselves, so they decide to visit Sonic to get them to deal with it. Action stage Mystic Ruins North begins.

Meanwhile, Tails and Cosmo are doing their own thing, when suddenly Team Rose arrives, asking them if they could have a look at the wreckage at Gimmick Mountain Zone. They happily oblige and action stage Marble Garden Zone plays.

In the meantime, Manic and Sonia have returned. When they realise that Tails and Cosmo have gone, they go on a verbal assault and don't stop until they return, after which they vent to Tails and Cosmo and tell them that they are going to Metropolis to practice with Team Chaotix and that if they want to come, they need to say so now. They oblige; just before they arrive, Team Big arrives and Team Underground also sends them down there as well. While they're doing that, action stage Mystic Ruins Underground plays. At the end, they run into Fiona Fox; much to the chagrin of Cosmo, they stay and chat for a bit as they have not seen each other in years. After that, they play Mystic Ruins South.

When they reach Metropolis, Manic and Sonia get straight into practice, while Tails and Cosmo repain the. After a while - at the end of a song - Tails and Cosmo come bursting into the booth, yelling that everything's gone dark. When they all look out there, it isn't dark anymore, but they can visibly see the Egg Carrier. Team Chaotix decide to stay in case they get any more instructions from their anonymous source, but Team Underground decide not to; they decide to run the Tornado up. They go back through Mystic Ruins South as an adventure field in which the team chat. It doesn't take very long, and after a few minutes they reach Mystic Ruins Underground, which is played in the form of a cutscene, in which we quite audibly hear Fiona Fox giving Team Chaotix their next mission. The scene then cuts to Mystic Ruins North, where Tails gets out the Tornado in a scene similar to the opening of Sky Chase Act I. Action stage Sky Chase Zone is played, and once on the ship, action stage Sky Deck Zone is played.

The next place we see them is on the deck of the Egg Carrier itself. The next thing we see, however, is Chaos Emerl 6. As this is the first time any of them have seen Chaos Emerl in this carnation, groans are generated by the entire team. It is then fought.

Straight afterwards, the team try to get back on to the Tornado to try to get back to the Underground. That isn't going to happen; when they get there, Chaos Emerl had 'noshed' the Chaos Emerald inside the Tornado and it wasn't going to go anywhere. Literally, we see the Egg Carrier exploding and TCMS flying off the Egg Carrier. In a stroke of luck, we see them landing in Mystic Ruins North; we then see them go back into Underground Zone, we then see them shooting the breeze with Team Rose, Team Rose going, Team Underground talking amongst themselves for a bit and then going to sleep and the cutscene ending.

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