WJSN have only done one reality show thus far: 우주 LIKE 소녀 (My Cosmic Diary). It covers debut era and some of Secret era - unfortunately Yeonjung only appears in the final episode!
Episode 1 | Episode 2 | Episode 3 | Episode 4 | Episode 5 | Episode 6 | Episode 7 | Episode 8
Mnet also gave us short bonus clips from each episode: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
At debut, WJSN started live series called 우주소녀(WJSN)의 지구별 탐방기, which has 9 installments (5-9 are titled 우주소녀의 지구별 탐방기 instead).
Their ongoing 20+ episode series is called UZZU TAPES.
Both series can be found on their V App channel - subtitles may vary. They do regular livestreams as well!
WJSN have been on Weekly Idol twice: 160323 part 1, part 2 | 170222: full
They were also the guests for Knowing Brothers Episode 59: full
They've guested on Park Sohyun's Heyo Idol TV: full | They later did a 2 episode series on Heyo TV called WJSN's private life: Episode 1, Episode 2
Different members have also been guests on different programs such as Hello Counselor, Law of the Jungle, and Happy Together. Yeonjung also participated in a lot of I.O.I variety! I'm just too lazy to find and list all of that tbh
Check out: forwuju | COSMIC SUBS | FY! Cosmic Girls | KPWW CH. 5 | Cosmic Girls WJSN 2