David Muir/Science Bob
- Episode aired Jul 11, 2019
- TV-PG
TV host David Muir (20/20 (1978)); Kelly and Ryan try some fun experiments with Bob Pflugfelder (Science Bob);TV host David Muir (20/20 (1978)); Kelly and Ryan try some fun experiments with Bob Pflugfelder (Science Bob);TV host David Muir (20/20 (1978)); Kelly and Ryan try some fun experiments with Bob Pflugfelder (Science Bob);