Currently available on 1 streaming service.

Rescue Squad Mater - watch online: streaming, buy or rent

Currently you are able to watch "Rescue Squad Mater" streaming on Disney Plus.

Cast

Larry the Cable Guy
Mater (voice)
Keith Ferguson
Lightning McQueen (voice)
Lindsey Collins
Mia (voice)
Elissa Knight
Tia (voice)
Peter Sohn
Additional Voice Talent (voice)
Bob Peterson
Additional Voice Talent (voice)
Bob Scott
Additional Voice Talent (voice)
Bret 'Brook' Parker
Additional Voice Talent (voice)
Taborah Johnson
Rescue Squad Ambulance (voice) (uncredited)