Popsugar Entertainment Halloween Costumes 2019 Riverdale Season 4 Halloween Episode Pictures Cheryl and Toni Couple Up as Poison Ivy and Harley Quinn in Riverdale's Halloween Episode 22 October 2019 by Kelsie Gibson Image Source: The CW Riverdale's Halloween episode is sure to be spooktacular! The CW unveiled photos for the upcoming episode, which premieres on Oct. 30, and it includes some of our favourite characters in costume. While Archie (KJ Apa) and Munroe (Eli Goree) don some very tight tights as superheroes, it's Cheryl (Madelaine Petsch) and Toni (Vanessa Morgan)'s couple costume that really takes the cake (or should we say bucket of candy?). The power couple are dressing up as the equally iconic comic-book duo Poison Ivy and Harley Quinn. Morgan even shared a full look at her sexy getup on Instagram, writing, "I'm Harley Quinn be my Joker." We can't wait to see what couple costume Jughead and Betty come up with! Look at the rest of the photos ahead, then see how you can dress up like the Riverdale crew for Halloween. Image Source: The CW 1 / 12 View this post on Instagram 𝙸’𝚖 𝙷𝚊𝚛𝚕𝚎𝚢 𝚀𝚞𝚒𝚗𝚗 𝙱𝚎 𝚖𝚢 𝙹𝚘𝚔𝚎𝚛 🃏 A post shared by Vanessa Morgan (@vanessamorgan) on Oct 16, 2019 at 2:48pm PDT 2 / 12 Image Source: The CW 3 / 12 Image Source: The CW 4 / 12 Image Source: The CW 5 / 12 Image Source: The CW 6 / 12 Image Source: The CW 7 / 12 Image Source: The CW 8 / 12 Image Source: The CW 9 / 12 Image Source: The CW 10 / 12 Image Source: The CW 11 / 12 Image Source: The CW 12 / 12 Halloween Costumes 2019RiverdaleHalloween EntertainmentHalloween CostumesHalloweenTV