Arrow's Stephen Amell bids farewell to Supergirl ahead of series finale: 'You inspired a lot of people'

Parting is always such sweet sorrow. After six seasons on The CW, Supergirl will come to an end this evening with a two-part series finale. Stephen Amell (star of Arrow, which kicked off this shared DC Universe on the small screen) knows the poignant feeling all too well and took to Instagram in order to offer some words of comfort to the cast and crew.

"Congratulations, guys — what a journey!" the actor said. "I'm very proud of you. I always really enjoyed my time coming onto Supergirl. It was such a fun tone and such a familial atmosphere. You guys crushed it, you really did. You should be very, very proud. To everyone at WB, The CW, the entire crew, the entire cast...I just want to say congratulations and I want to say enjoy your series finale tonight. Or try to enjoy it. Series finales aren't always the easiest thing to enjoy."

Amell closed out the video by directly addressing Kara Zor-El herself: Melissa Benoist. "My daughter's gonna miss you very much," he concluded. "Thank you for everything you did, you inspired a lot of people. Much love."

While the show is coming to a close, fans could see Benoist reprise the Supergirl role for potential guest spots on The CW spinoff, Superman & Lois, which stars Tyler Hoechlin and Elizabeth Tulloch as the titular characters. However, it should be noted that nothing of that nature is confirmed just yet, especially since Supergirl is technically not off the air yet.

During a recent conversation with Entertainment Weekly celebrating Kara's storied television run, the actress said she is "not opposed to putting on the suit again and I know there probably will be opportunities to." She added: "It would have to feel right for the character and I know they would probably do it justice," Benoist added. "I love playing with [The Flash star] Grant Gustin. I love Tyler Hoechlin and Bitsie Tulloch on Superman & Lois. So no, I'm not opposed to it."

"We're so proud of everything we've been able to accomplish in the last five, almost six years," Benoist told ComicBook.com in the spring. "It's been such a journey: changing networks, changing cities we shot in, and changing the nights we've aired. We've gone through so much on this show, and I think creatively we were all able to step back and say that we're really proud of everything we've done and it felt like the right time."

Supergirl's series finale (comprised of "The Last Gauntlet" and "Kara") airs on The CW tonight at 8 p.m. EST.