On the Season 2 finale of “Perception,” Pierce’s (Eric McCormack) mental stability is questioned when he is accused of stalking
his ex-girlfriend Caroline (Kelly Rowan), while Moretti (Rachael Leigh Cook) works to find the real stalker.

In the above preview, McCormack teases that “it’s the season finale and no one is safe. Don’t miss it.” Ruh roh.

The “Perception” season finale airs at 10 p.m ET/PT Tuesday (March 18) on TNT.