The Kratts must solve the mystery of why most of the trees in a North American forest are dying.
- Tuesday, April 22 from 6:30 a.m. - 7:00 a.m. on OPB TV
- Tuesday, April 22 from 5:30 p.m. - 6:00 p.m. on OPB TV
- Thursday, August 7 from 5:30 p.m. - 6:00 p.m. on OPB TV
- Tuesday, September 30 from 5:00 p.m. - 5:30 p.m. on OPB TV