Arrow Season 1 Episode 21 The Undertaking ( Air Date 2013-05-01 ) Genre Crime, Drama, Action & Adventure category. Overview "Finding it difficult to mend fences with Tommy and Diggle, Oliver instead focuses on crossing another name off the list. While digging through a crooked accountant's laptop, Felicity discovers a transaction that could help Oliver find Walter. To reconfirm the lead, Oliver gambles that Felicity can be counted on in the field for the first time. In a flashback, Malcolm reveals to Robert Queen and Frank Chen painful details surrounding his wife's murder, and how that shaped his plans for the Glades. Meanwhile, Tommy stuns Laurel with the truth.".
Arrow Season 1 Episode 21 The Undertaking
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- Watch: Arrow Season 1 Episode 21 The Undertaking on CWR-CRB
- Stars: Stephen Amell, David Ramsey, Rick Gonzalez, Juliana Harkavy, Katherine McNamara, Ben Lewis, Joseph David-Jones, Katie Cassidy
- Director: Mark Bunting, Beth Schwartz, Marc Guggenheim, Greg Berlanti, Blake Neely, Ken Shane
