The Walking Dead: The Final Season

In Act 2, when Rosie (The Dog) enters the room after a brief scene with Tenn and AJ.

Clem gets anxious with Rosie. Backing off a little bit, Marlon will then enter the room and calm Rosie down and will proceed to ask Clem to trust him.

Choose to trust him and the achievement is yours!

:)

This achievement is earned at the very beginning of Act 2, after helping sort a problem between AJ and Tenn. Rosie the dog will enter the room, followed by Marlon who will tell you to trust him. Choose the dialogue option "I Trust You" in order to command the dog and unlock this. The following missable achievement can be seen in the video below at 3:17:

If this is missed, players will need to restart the episode from the beginning. It is advised that you back out to the main menu, and copy your saves manually every once in a while just in case to allow for an easier mop-up.

Hey guys and gals! Here is my all collectibles and all achievements guide for TWD:TFS in chronological order so you dont miss a thing!

Act 1
Collectible 1
0:22 - Deer Head
0:54 - Collectibe Plastic Flowers 2
1:20 - Achievement "Tickle monster"
2:05 - Achievement "Nothing Wasted"
3:24 - Collectibe 3/6 - Real Flowers
3:53 - Achievement "Social Butterfly"
9:52 - Collectible 4/6 - AJs Drawing

Act 2
11:10 Achievement "Good girl" - Shortly into act 2, Clem and AJ will be in a room and Rosie the Dog will appear.. Marlon then turns up to defuse the situation, when the dialogue option comes up.. Simply press "Choose to trust him" and achievement unlocks.
12:23 Collectibe Cat Skull
13:03 Achievement Lost Love
13:35 Achievement Upstream
15:40 Collectible Tenns Drawing

Act 3
16:26 Achievement To Make It Look Nice


Hope this helps!