We're certainly excited for 'Arrow's April 24 return episode "Home Invasion," kicking off the first of four episodes to take us straight through to the finale, but we've been wanting clues about "The Undertaking" forever. Thankfully, The CW's DC-adapted drama will soon take us further into the past than ever to answer the question, bringing back a host of familiar faces for "The Undertaking!" Check out the latest photos from 'Arrow' past and future inside!

It won't be long before 'Arrow' makes its grand return on April 24, while May 1 episode "The Undertaking" will feature the furthest flashback yet, even before Oliver Queen (Stephen Amell) took the fateful trip that claimed his father ('Homeland's Jamey Sheridan)'s life and marooned him on the island we've come to know.

The CW has released the full set of photos from "The Undertaking," which feature not only Sheridan's return as Robert Queen, but also appearances from Walter (Colin Salmon) and Malcolm Merlyn (John Barrowman) as well. While In the present it appears Oliver's vigilante alter-ego works to take down some kind of underground gambling ring, with predictably explosive results.

We're hoping to get an actual sense of what "The Undertaking" represents, and perhaps a glimpse into the shady dealings that saw Robert Queen killed and Oliver marooned in the first place. Plus, Laurel (Katie Cassidy) in nothing but a button-down shirt works just fine for us.

Preview "The Undertaking in the new 'Arrow' photos below, and tell us what you want to see from the final four episodes of the season in the comments!

Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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Arrow The Undertaking Preview Photos
The CW
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