Episode 70 of "Everwood"
s04e03 Put On A Happy Face

As if adjusting to college life and the news that her secret crush, Reid (guest star Justin Baldoni), is gay weren’t enough to handle, Amy learns that Ephram is going to be a regular fixture in her life now that he’s moved in with Bright and Reid. Meanwhile, Andy, Nina and Jake attempt to move on with life after Nina decides which man she loves---which is Jake. Bright and Ephram take Hannah to a college party. Andy gets involved in a case dealing with 17-year old Ethan Harcourt who is on anti-dpressants since his older brother's car accident and death, but now wants to be intimate with his current girlfriend. Although, the anti-depressants he is taking is causing erectial dysfunction for him and tries to coerce Andy in letting him have viagra. Ethan wants to keep all of this a secret from his girlfriend and family who don't know about his situation. Andy wavers that he's too young but Ethan doesn't listen and purchases medication online that inevitably ends him up in the hospital after using.