Knuck Knuck! Who's Here? (S02E12)

S02E01 Tommy Thunder: Method Actor S02E02 Spacemageddonocalypse S02E03 Nutwork S02E04 Alone Again, Unnaturally S02E05 The Biggest Fan S02E06 Anything You Can Do, I Can Do Worse-er S02E07 I Can Sea Sonic's Fear From Here S02E08 In the Midnight Hour S02E09 Multi-Tails S02E10 Strike! S02E11 The Evil Dr. Orbot S02E12 Knuck Knuck! Who's Here? S02E13 Mech Suits Me S02E14 FiendBot S02E15 Og Man Out S02E16 Knine-to-Five Knuckles S02E17 Blackout S02E18 Unnamed Episode S02E19 Eggman's Brother S02E20 Robot Employees S02E21 Robots from the Sky (1) S02E22 Robots from the Sky (2) S02E23 Robots from the Sky (3) S02E24 Robots from the Sky (4) S02E25 Inn Sanity S02E26 Three Minutes or Less S02E27 Give Bees A Chance S02E28 Nominatus Rising S02E29 Mombot S02E30 Do Not Disturb S02E31 If You Build It They Will Race S02E32 Flea-ing from Trouble S02E33 Muckfoot S02E34 Return of the Buddy Buddy Temple of Doom S02E35 Vector Detector S02E36 Planes, Trains and Dude-Mobiles S02E37 Sticks and Amy's Excellent Staycation S02E38 Eggman's Anti Gravity Ray S02E39 The Haunted Lair S02E40 Lightning Bowler Society S02E41 Lair on Lockdown S02E42 Mister Eggman S02E43 Where Have All the Sonics Gone? S02E44 You and I Bee-come One S02E45 Don't Make Me Angry S02E46 Three Men And My Baby! S02E47 Chain Letter S02E48 Eggman Family Vacation S02E49 Victory S02E50 Return to Beyond the Valley of the Cubots S02E51 Eggman: The Video Game Part 1 S02E52 Eggman: The Video Game Part 2: The End of the World