- "According to the timeline, before the end of summer, several kids went missing, never to be seen again."
- "Well, I happen to know a swamp thing. But then again, Maine is way too far north for that muppet."
- —Sara Lance and John Constantine
|When the Legends discover that kids at a summer camp have disappeared, Sara, Ava, Ray and Constantine find themselves as the new camp counselors. At camp, Ava struggles to get along with the kids, but Constantine whips up a potion that helps Sara and Ava bond with the children. Luckily, the team finds clues to the whereabouts of the missing kids, but the battle to save them leaves one member in bad shape. Meanwhile, Rory and Zari are tasked with watching the fugitive and Rory finds a kinship with their "prisoner."|
Preparation ran from July 31 until August 9, 2018. Shooting ran from August 10 until August 22, 2018.
- This is the first episode of the series not to feature Nick Zano (Nate Heywood) after signing on as a series regular.
- In reality, Zano took time off at the time of filming when his daughter spent a month in the NICU at the British Columbia Children's Hospital 24 hours after his wife Leah began to suffer complications from giving birth which in-turn caused their child to have a nine-hour life-saving surgery followed by a two-hour procedure.
- The episode's title is a reference to the 2001 film Wet Hot American Summer.
- Camp Ogawa is named after Arrowverse producer Carl Ogawa.
- In the New York market, this episode and the episode "" moved to Saturday night due to coverage of the Monday Night Football game between the New York Giants and San Fransico 49ers.
- Constantine mentions that he knows "a Swamp Thing": he made his DC comic debut on the pages of Swamp Thing, as an ally to the hero of the same name. Coincidentally, this is the second time Constantine mentions Swamp Thing/Alec Holland; a promotion for the NBC Constantine series also referenced the character.
- When the information for the parody movie Swamp Thaaaang is shown, the director is seen to be David Geddes. Geddes has actually directed multiple episodes of Legends of Tomorrow, including this one. The film franchise is a spoof of both the comic book Swamp Thing, and the real-life films and TV series based on it.
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