Doc's running late, and realizes that his exasperation has all been for a set up...
Check out the comic here: https://www.deviantart.com/jasperpie/art/CMSN-TF2-AA-Issue-21-Call-Nagging-774572558
Voicework provided by Jasper Pie and Lightning Bliss:
https://www.youtube.com/user/trainlover476
https://www.youtube.com/user/e1d2k