The Perfect Ten Problem/The Long Line Problem
Peg and Cat judge a singing competition in which all performers must get a rating of ten stars.
- Wednesday, September 14 from 9:30 a.m. - 10:00 a.m. on OPB TV
- Wednesday, December 14 from 10:30 a.m. - 11:00 a.m. on OPB TV
- Friday, March 10 from 10:30 a.m. - 11:00 a.m. on OPB TV