Sezon 1
Bölümler
1 Dennis Goes to the Movies 4 Eki 1959 2 Dennis and the Signpost 11 Eki 1959 
3 The Fishing Trip 18 Eki 1959 4 Grandpa and Miss Cathcart 25 Eki 1959 5 Innocents in Space 1 Kas 1959 6 Dennis' Garden 8 Kas 1959 7 The New Neighbors 15 Kas 1959 8 Tenting Tonight 22 Kas 1959 9 Dennis Sells Bottles 29 Kas 1959 10 Mr. Wilson's Award 6 Ara 1959 11 The Christmas Story (aka Dennis & Christmas) 20 Ara 1959 12 Dennis and the Cowboy 27 Ara 1959 13 Dennis Haunts a House 3 Oca 1960 14 Dennis' Tree House 10 Oca 1960 15 Dennis and the Rare Coin 17 Oca 1960 16 Dennis and the Bike 24 Oca 1960 17 Dennis and the Open House 7 Şub 1960 18 Dennis and the Duck 14 Şub 1960 19 Dennis and the Swing 21 Şub 1960 20 Dennis and the Dog 28 Şub 1960 21 Mr. Wilson's Sister 6 Mar 1960 22 Dennis and the TV Set 13 Mar 1960 23 Dennis Creates a Hero 20 Mar 1960 24 Dennis' Paper Drive 10 Nis 1960 25 Dennis and the Bees 17 Nis 1960 26 Alice's Birthday 24 Nis 1960 27 Dennis Becomes a Baby Sitter 1 May 1960 28 Dennis and the Starlings 8 May 1960 29 The Party Line 15 May 1960 30 Dennis by Proxy 22 May 1960 31 Dennis Runs Away 29 May 1960 32 Miss Cathcart's Sunsuit 12 Haz 1960