Arrow — Season 1, episode 21 watch online
Arrow, season 1 episode 21 «The Undertaking»: air date May 1, 2013. Episode overview, season trailer and the cast of Arrow.
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.
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Episodes — Season 1
- 1 Episode 1 «Pilot» October 10, 2012
- 2 Episode 2 «Honor Thy Father» October 17, 2012
- 3 Episode 3 «Lone Gunmen» October 24, 2012
- 4 Episode 4 «An Innocent Man» October 31, 2012
- 5 Episode 5 «Damaged» November 7, 2012
- 6 Episode 6 «Legacies» November 14, 2012
- 7 Episode 7 «Muse of Fire» November 28, 2012
- 8 Episode 8 «Vendetta» December 5, 2012
- 9 Episode 9 «Year's End» December 12, 2012
- 10 Episode 10 «Burned» January 16, 2013
- 11 Episode 11 «Trust but Verify» January 23, 2013
- 12 Episode 12 «Vertigo» January 30, 2013
- 13 Episode 13 «Betrayal» February 6, 2013
- 14 Episode 14 «The Odyssey» February 13, 2013
- 15 Episode 15 «Dodger» February 20, 2013
- 16 Episode 16 «Dead to Rights» February 27, 2013
- 17 Episode 17 «The Huntress Returns» March 20, 2013
- 18 Episode 18 «Salvation» March 27, 2013
- 19 Episode 19 «Unfinished Business» April 3, 2013
- 20 Episode 20 «Home Invasion» April 24, 2013
- 21 Episode 21 «The Undertaking» May 1, 2013
- 22 Episode 22 «Darkness on the Edge of Town» May 8, 2013
- 23 Episode 23 «Sacrifice» May 15, 2013