Mr. Happy
Episode: 1x01 | Airdate: Jan 1, 1974
Season 1
Mr. Silly
Episode: 1x02 | Airdate: Jan 2, 1974
Mr. Jelly
Episode: 1x03 | Airdate: Jan 3, 1974
Mr. Snow
Episode: 1x04 | Airdate: Jan 4, 1974
Mr. Bounce
Episode: 1x05 | Airdate: Jan 5, 1974
Mr. Forgetful
Episode: 1x06 | Airdate: Jan 6, 1974
Mr. Funny
Episode: 1x07 | Airdate: Jan 7, 1974
Mr. Bump
Episode: 1x08 | Airdate: Jan 8, 1974
Mr. Tickle
Episode: 1x09 | Airdate: Jan 9, 1974
Mr. Small
Episode: 1x10 | Airdate: Jan 10, 1974
Mr. Messy
Episode: 1x11 | Airdate: Jan 11, 1974
Mr. Greedy
Episode: 1x12 | Airdate: Jan 12, 1974
Mr. Sneeze
Episode: 1x13 | Airdate: Jan 13, 1974
Season 2
Mr. Strong
Episode: 2x01 | Airdate: Jan 14, 1974
Mr. Daydream
Episode: 2x02 | Airdate: Jan 15, 1974
Mr. Fussy
Episode: 2x03 | Airdate: Jan 16, 1974
Mr. Worry
Episode: 2x04 | Airdate: Jan 17, 1974
Mr. Uppity
Episode: 2x05 | Airdate: Jan 18, 1974
Mr. Dizzy
Episode: 2x06 | Airdate: Jan 19, 1974
Mr. Topsy Turvy
Episode: 2x07 | Airdate: Jan 20, 1974
Mr. Muddle
Episode: 2x08 | Airdate: Jan 21, 1974
Mr. Mean
Episode: 2x09 | Airdate: Jan 22, 1974
Mr. Nosey
Episode: 2x10 | Airdate: Jan 23, 1974
Mr. Chatterbox
Episode: 2x11 | Airdate: Jan 24, 1974
Mr. Noisy
Episode: 2x12 | Airdate: Jan 25, 1974
Mr. Impossible
Episode: 2x13 | Airdate: Jan 26, 1974
Mr. Lazy
Episode: 2x14 | Airdate: Jan 27, 1974
Mr. Grumpy
Episode: 2x15 | Airdate: Jan 28, 1974
Specials
The Christmas Letter
Episode: S02 Special | Airdate: Dec 25, 1998