Similitude should be one of those episodes that comes to mind whenever you think of Enterprise. If there were a reward for most "Star Trek-esque" episode, this would be in the running.

Episode Title: Similitude
Written By: Manny Coto 
Directed By: LeVar Burton
Notable Guest Stars: Maximillian Orion Kesmodel (Sim age 4), Adam Taylor Gordon (Sim age 8), Shane Sweet (Sim age 17)
First Aired: November 19th, 2003
Canon Date: Unknown (2153)