Intern Leo is a fictional character portrayed by Winston Story in the TV series Grey's Anatomy.
In the first episode they appeared in, titled A Change Is Gonna Come (season 4), they were 36 years old.
They appear in 19 episodes out of a total of 430 aired so far
Episodes19
A Change Is Gonna Come
episode S4.E1 september 2007The interns, now residents, deal with their own crops of interns. Callie struggles with her new position, and Burke makes a decision.Let the Truth Sting
episode S4.E3 october 2007Callie hides in her office, frustrating Bailey who's itching to teach someone. Elsewhere, age becomes the theme as Izzie tries to convince 'Really Old Guy' he shouldn't die, Webber and Sloan set out to prove they're not too old to learn a new technique, and Karev is saddled with an intern who's past his prime.The Heart of the Matter
episode S4.E4 october 2007Meredith and her intern lose a patient after they give her the wrong diagnosis, Callie confronts Izzie, and McDreamy bonds with the other Grey.Piece of My Heart
episode S4.E13 may 2008Addison is not prepared for all the changes that greet her upon her return to Seattle Grace for a specialized surgery, Meredith and Derek begin their clinical trial, Izzie feels left out, and Karev is confronted with an unexpected announcement.Here Comes the Flood
episode S5.E3 october 2008There is a huge problem affecting the whole hospital including patients too. Richard is trying to do his best to solve the problem.Brave New World
episode S5.E4 october 2008Callie worries over her first real date with Erica. Cristina stumbles upon a neglected area of the hospital.There's No 'I' in Team
episode S5.E5 october 2008Bailey's dream of a domino surgery crumbles when one of the donors learns of her husband's affair. Meredith is insulted when she gets no credit for the procedure she and Derek worked on together.Life During Wartime
episode S5.E6 october 2008The new trauma surgeon shocks everyone with his methods, Bailey is asked to save a girl with an inoperable tumor, and Callie's not sure what she wants.These Ties That Bind
episode S5.E8 november 2008Izzie wrestles with her ghost, Torres uses a ground-breaking procedure to get her mind off of Hahn, and the interns continue teaching themselves spurred on by a new cohort.In the Midnight Hour
episode S5.E9 november 2008Sadie manipulates the interns into performing a procedure that goes horribly wrong, Izzie's ghost refuses to leave, and Mark bonds with a girl who's taken responsibility for her sleep-walking father.Stairway to Heaven
episode S5.E13 january 2009Meredith and Miranda each cross a line, William Dunn regrets his decision and Izzie finally confronts what Denny's appearance means.Beat Your Heart Out
episode S5.E14 february 2009Cristina carries on an intense flirtation with Owen, Derek gets advice from everyone on how to propose, Izzie gets some tests done, and Bailey's promotion may stand in the way of a new career possibility.Before and After
episode S5.E15 february 2009Owen runs into someone very special from his past. Izzie employs her fellow doctors in a medical game made to help teach the interns. Naomi, Sam and Addison rush Archer to Seattle Grace and meet with Derek and Mark to save his life.I Will Follow You Into the Dark
episode S5.E17 march 2009Derek's malpractice deposition reveals an unhappy statistic, the interns finally diagnose 'Patient X', Karev stands up to two attendings to save a band geek, and when Webber shuts Miranda out completely she makes a call.Stand by Me
episode S5.E18 march 2009Sloane's facial transplant fades to the background as the interns begin squabbling, Bailey's attempts to reach Derek unexpectedly clear surgeons from the hospital, and Cristina juggles her first solo surgery with treating a resistant Izzie.Elevator Love Letter
episode S5.E19 march 2009Owen's PTSD endangers Cristina, Izzie's illness leaves the residents dealing with guilt and anger - at her expense, and Derek's fear causes him to persevere for Meredith's answer.What a Difference a Day Makes
episode S5.E22 may 2009A car crash involving students going to their college graduation takes its toll on the residents in the ER, Derek's wedding gift is uniquely suited for Meredith - even if the oversight is not. Meanwhile, Denny's return has Derek and Bailey searching for the cause, and the results will change the outcome of the day.Good Mourning
episode S6.E1 september 2009Covering days one through 13, everyone at Seattle Grace fights to save Izzie and George's lives and then deals with the aftermath. Elsewhere, Hunt treats a double amputation, and Arizona has a teen with painful growth spurts.I Always Feel Like Somebody's Watchin' Me
episode S6.E3 october 2009As hospital personnel jockey for notice to keep from being fired, Izzie returns to surgery early and Bailey's triple aneurysm patient refuses her procedure because of her schizophrenic son.
- A Change Is Gonna Come
- Let the Truth Sting
- The Heart of the Matter
- Piece of My Heart
- Here Comes the Flood
- Brave New World
- There's No 'I' in Team
- Life During Wartime
- These Ties That Bind
- In the Midnight Hour
- Stairway to Heaven
- Beat Your Heart Out
- Before and After
- I Will Follow You Into the Dark
- Stand by Me
- Elevator Love Letter
- What a Difference a Day Makes
- Good Mourning
- I Always Feel Like Somebody's Watchin' Me