When Sue searches for the Time Rider cartoon, the browser shows the Centillion search engine in a Google style. Google's name is based on a misspelling of googol - which is 10 to the power of 100. A Centillion is 1 followed by 303 zeros, following the naming of million, billion etc with cent meaning 100.
The trivia item below may give away important plot points.
While at Time Ryder's HQ/animation studio in the "past" the "Logan-Prescott[sic]" law of time travel is mentioned whereby time continues to move forward in your own timeline while you are time travelling. This is a nod (albeit with one slightly changed surname) to the rules of time travel as described by Rufus to Bill S. Preston Esquire & Ted 'Theodore' Logan in Bill & Ted's Excellent Adventure.