|“||Let's be heroes!||”|
- Nathaniel Potvin as Ryan Walker
- Kamran Lucas as Harris
- Pearce Joza as Spyder Johnson
- Raymond Cham as Mark Walker
- Ali Liebert as Principal Grey
- Alyssa Lynch as Cassie Park
- Crystal Balint as Grace Walker
- Peter Benson as Seth Harper
- Rohan Campbell as Dane
- Lucas Morgan as Purse Snatcher
- Kaitlin Cheung as Texting Girl
- The first pilot was shot in June 2015 but was rejected as "MTX!".
- This episode premiered on what Americans call Veterans Day and what British people call Remembrance Day.
- Mark asked Ryan if he was sure they were related, which foreshadows Let's Get the Big Bad! because in that episode Ryan found out he was adopted.
- The cast did a Q&A on Twitter during this episode's premiere.
- Harris got infected and started turning into a monster by being covered in the monster DNA, which leads into the next episode.
| To view the Let's Call It MECH-X4! gallery, click here.
Code: Let's Call it MechX4
Let's Call It Mech-X4!