Robin wants to gain the power of whistling.
| Title | Mouth Hole |
|---|---|
| Genres | Animation Action & Adventure Comedy Family Sci-Fi & Fantasy |
| Release Date | 2015-01-08 |
| Episode Runtime | 00 Hours 11 Minutes |
| Season Number | 2 |
| Episode Number | 25 |
| Production Companies | Warner Bros. Animation, DC Entertainment, DC |
