United We Stand

The Digimon Emperor's legacy proves to remain strong, as Ken's former base becomes highly unstable, threatening the entire Digital World, and only Ken has the means to stop it.

Digivolutions
(Number indicates order of occurrence.)

Quotes
Ken: "Wormmon, looking at these [control spires] makes me sick to my stomach." Wormmon: "Oh, great. Stick your head between your knees and take a deep breath.  This whole thing is my fault." Ken: "Aw! How many times do I have to tell you? It's not your fault.  There are people you can talk to about this stuff." Wormmon: "Then why didn't you talk to them before becoming the Digimon Emperor? It had to be easier than building control spires."
 * —Wormmon raises an excellent point.

Cody: "It seems sturdy enough." Davis: "Of course it is! What do you mean by that, anyway?  Don't you think I know what I'm doing?" T.K.: "You said it." Yolei: "Yeah, even if it is what we were all thinking."
 * —Davis' skills are brought into question as the DigiDestined finish fixing the bridge.

"You two would make good scratching posts."
 * —Gatomon, annoyed by Davis and Flamedramon arguing.

T.K.: "Taking a swim?" Davis: "Very funny, T.P.! A little help here!"
 * —T.K. mocking Davis after he's tossed into the river.

"Well, I'm just not comfortable around him. It's hard for people to really change.  I think it's too risky."
 * —Cody continues to mistrust Ken.

"And another one bites the dust."
 * —Stingmon, taking out a control spire.

Izzy: "My theory is that a major power source is about to meltdown. If you guys don't shut it down, and I mean fast, it'll explode." Davis: "What do you mean, 'explode?!'" Izzy: "I mean explode! You know, boom!"
 * —The DigiDestined face a crisis at Ken's old base.

Wormmon: "Hello, Ichijouji residence. I'm sorry, Ken's busy right now.  Would you please hang up and try your call again later?" Izzy: "Are you... the operator?" Wormmon: "No, I'm the Digimon. May I help you?" Izzy: "You must be Wormmon! You seem bright enough to me." Wormmon: "Thank you... I think. What have you heard about me?" Izzy: "Oh, never mind! This is an emergency!  I need to speak to Ken right away!"
 * —Izzy and Wormmon engage in a typical phone conversation for the DigiDestined.

"Well, now I've seen it all!"
 * —For someone with as much experience as Kari has in the Digital World, that is saying something.

ExVeemon: "ExVeemon!" Stingmon: "Stingmon!" ExVeemon and Stingmon: "DNA digivolve to..." Paildramon: "Paildramon!"
 * —ExVeemon and Stingmon are able to DNA digivolve for the first time, thanks to Davis and Ken bonding.