- Adored by the Network: The show premiered in a marathon format with all 20 episodes of season 1 airing back-to-back, and was later renewed for a second season.
- Celebrity Voice Actor:
- The Moon is voiced by Cedric the Entertainer.
- Barb Goldberg the elf is voiced by Whoopi Goldberg.
- Bobcat Goldthwait provides Oscar's "new" voice in "Radio Silence"
- Children Voicing Children: All the campers are voiced by children.
- Cross-Dressing Voices: Pajamas is voiced by girls. In the pilot by Anna Strupinsky and in the series by Naomi Hansen.
- The Danza:
- Alexa is named after her voice actress, Alexa Nisenson.
- Barb Goldberg's last name is from her voice actress, Whoopi Goldberg.
- Dawson Casting: Susie, Alice, and Betsy are teenagers, but their voice actresses (Julia Pott, Charlyne Yi, and Nikki Castillo, respectively) are all adults. Although it's downplayed with Nikki Castillo since her age is a little closer to her character at the time she recorded her voice.
- Descended Creator: Series creator Julia Pott voices Susie, the lead camp counselor and resident Alpha Bitch.
- Marathon Running: The series took over both Cartoon Network and Boomerang with 20 episodes debuting back-to-back. Beginning Saturday, July 7 at 6 a.m. (ET/PT) through Sunday, July 8. Many fear take this is a sign that the show is being Screwed by the Network and burned off to justify getting it off the schedule in favor of more Teen Titans Go! reruns.
- Name's the Same: Oscar's actor, in real life, is named after the late musician Elliott Smith who dominates results of a Google search on the name; most of the voice actor's social media are variations on "the other Elliott Smith".
- The Other Darrin:
- Oscar Peltzer was voiced by Justin Felbinger in the pilot, and by two actors in the actual series (first Elliott Smith, and currently Asher Bishop).
- Hedgehog was voiced by Ashley Boettcher in the pilot, by and Oona Laurence in the actual series.
- Max is voiced by Thomas Vaethroeder in the pilot and by Ramone Hamilton in the actual series.
- Pajamas was voiced by Anna Strupinsky in the pilot and by Naomi Hansen in the actual series.
- Both Shark and Monster Under The Bed were voiced by Judd Hirsch in the pilot, while the actual series respectively casts them with Richard Kind and Alfred Molina.
- Production Posse: Since Julia Pott previously worked on Adventure Time, some of her co-workers from that show moved to work on this show.
- Relationship Voice Actor: Charlyne Yi (Alice), Bobby Moynihan (the monsters Mortimer and Melvin), and Sam Lavagnino (Pepper) all worked together in We Bare Bears as Chloe, Panda, and baby Grizz, respectively.
- Talking to Himself: Bobby Moynihan voices Mortimer, Melvin, and several other minor characters.
- What Could Have Been: According to Julia Pott, Oscar originally had a crush on Hedgehog, but in development, she and her team decided to make them really close friends."We wanted to have a best friendship that was just unconditional friendship love with nothing romantic there, just these two people that really support and love each other no matter what."
- The Wiki Rule: Summer Camp Island Wiki.
- Word of God: The ages of the characters: Lem is 5, Pepper and Lucy are 9, Oliver is 10, Oscar, Hedgehog, and Max are 11, and Alexa is 12.
Trivia / Summer Camp Island