The extended version includes 16 minutes 17 seconds of additional footage. The runtime without commercials and end credits for the original version is around 1hr 8mins, and 1hr 25mins for the extended version.
The hat Moni gives Gibby to wear as part as his disguise for the party has the "Drake & Josh" logo on it.
Victoria Justice is not the only actor who previously appeared on iCarly. Others actors include: Leon Thomas III (Andre), played Harper in iCarly saves TV (season 1 episode 23). Lane Napper (Wayne), played Ernie, Sam's old dance coach in iWas a Pageant Girl (season 3 episode 10). Danielle Monet (Trina Vega), played a girl at Nora's birthday party in iPsycho (season 3 episode 17).
Sam notes that Tori Vega resembles Shelby Marx, who appeared in the episode "iFight Shelby Marx." Freddie also states Tori is way hotter, although Victoria Justice plays both characters.
When the gang are looking at Tori on a computer Sam says "she looks like that Shelby Marx chick you fought". This is referring to Victoria Justice playing Tori Vega in this episode and Shelby Marx in a different episode.