Through a series of misunderstandings, Alvin, Simon and Theodore come to believe that Dave is going to propose to his new girlfriend in Miami... and dump them. They have three days to get to him and stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.
- Jason Lee as David "Dave" Seville
- Tony Hale as Benson Freeman
- Kimberly Williams-Paisley as Samantha 
- Bella Thorne as Ashley
- Josh Green as Myles
- Justin Long as Alvin Seville
- Matthew Gray Gubler as Simon Seville
- Jesse McCartney as Theodore Seville
- Christina Applegate as Brittany Miller
- Anna Faris as Jeanette Miller
- Kaley Cuoco-Sweeting as Eleanor Miller
The only confirmed cover so far is Mark Ronson's "Uptown Funk" from the first teaser trailer.
- The film is likely based on a combination of The Alvin Show episode Lovesick Dave and The Chipmunks episode Dave's Getting Married.
- Amy Poehler does not reprise her role as the voice of Eleanor.
- A sneak peek of the film was shown during the Alvin and the Chipmunks: Live On Stage tour on the 8th of October 2015.
- ↑ 1.0 1.1 1.2 1.3 'Alvin and the Chipmunks 4' Finds a Director (Exclusive), Hollywoodreporter.com, Retrieved 2014-12-18.
- ↑ Mrs. Doubtfire Writer Signs Onto Alvin and the Chipmunks 4, Comingsoon.net, Retrieved 2014-08-23.
- ↑ ALVIN AND THE CHIPMUNKS: THE ROAD CHIP, Foxmovies.com, Retrieved 2015-07-07.
- ↑ 'Alvin and the Chipmunks: Road Chip', Backstage.com, Retrieved 2015-02-09.
- ↑ 5.0 5.1 5.2 5.3 5.4 Tony Hale Joins ‘Alvin and the Chipmunks: The Road Chip’ (EXCLUSIVE), Variety.com, Retrieved 2015-02-11.
- ↑ Kimberly Williams-Paisley Squeaks Into ‘Alvin And The Chipmunks: The Road Chip’, Deadline.com, Retrieved 2015-03-10.
- ↑ Bella Thorne Squirrels Away ‘Chipmunks 4′ Role; Three Join ‘Pilgrimage'; 108 Media Acquires ‘Below Dreams’, Deadline.com, Retrieved 2015-03-23.
- ↑ 8.0 8.1 8.2 Alvin and the Chipmunks - AlvinMovies, Facebook.com, Retrieved 2015-07-07.
- ↑ Allyshabergado, Instagram.com, Retrieved 2015-06-16.
- ↑ Evan_whysomoody, Instagram.com, Retrieved 2015-06-16.
- ↑ Alvin & the Chipmunks bring the house down at the Syracuse Oncenter, Dailyorange.com, Retrieved 2015-10-09.