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- Going viral
- U are in my Wii
- (Genetically) modified opinion
- Here there be spyderes
- Arachno-robo-phobia
- De-stinguished
- Crappy printer
- Step off
- Boring warning
- We don't need no stinking badges
- Contratextion
- Miniature metropolis
- Culture shock
- Major Tom
- Cold war
- Analysis paralysis
- Enlighten me
- Microscopic malaise
- All-you-can-sleep
- Feel the burn
- Whatsamatta? Cat got your brain?
- Chick magnet
- Cat and mouse
- Thinking inside the box
- The Tao of cat
- Smarty cat
- You have cat to be kitten me
- Fowl play
- Need that report... right meow
- Don't be so celly
- Life of Bob
- One flu over the coocoo's nest
- Inside joke
- Retro
- No limits
- Disencouragement
- Gimme a hand
- Flesh tone deaf
- Skin crawl
- Let's face it
- Unbeliebable
- About to give you a pizza my mind
- Face off
- Born free; talked to death
- Science puns are lame
- Trust me, I'm a scientist
- Good thing he didn't ask for a cat scan
- Point A to point bee
- PhoBEEa
- The B word
- Sweet deal
- Loose lips sink chips
- Magnified interest
- Never prank a scientist
- Hostage crisis
- Lazy bones
- You're no fund
- I'm so money
- Soda pressing
- Passing fancy
- Souped up
- Field trippin'
- Anti virus
- Rodents to the rescue
- Rodent ruffians
- Compass-ionate
- Seal the deal
- All's squirrel that ends squirrel
- Nervous novices
- And the award goes to...
- Small minds think alike
- You are what you eat
- The collective
- A McRose by any other name...
- Bob gives a crap
- Pun funding
- Having an off day
- Head in his apps
- Skip the middle man
- Rude awakening
- Hotel Euphemism
- Imbued with a rude nude dude
- Under where?
- Honey, I'm home
- Breath of fresh air
- Cleanup on aisle four
- Plotting
- Four hundred!
- I hate Mondays
- Dead giveaway
- Hot under the collar
- Toe torture
- Rescue dog
- Pet peeve
- Every which way but loose
- Secret weapon
- *insert whipping sound*
- Alien-ated
- Urine or yer out
- Perturbed produce
- Boo? Yah.
- Spectacular vernacular
- Textual harassment
- The lowest form of humour
- One failed experiment to Gogh
- Fart fix
- Oh my gourd!
- Dropping in
- Circle of life
- R.E.S.P.E.C.T.
- ...and no supper either
- I'd rather be a hammer than a nail...
- Hypochondriac hardware
- It's virUS not virYOU
- Medicine man
- Snotpocalypse
- Doctor: heal thyself
- How to speak scientist
- On one condition
- Weird science
- Complicated coffee
- What's sumatra with you?
- The noob
- Hickory Dickory Dock
- Honey, I shrunk the scientists
- I've got you under my skin
- Little confused
- Out of the frying pan...
- Just call him Dorothy
- The Wizard of Laws
- Catchy tune
- Stick around
- Make like a tree and leaf
- Moth to the flame
- Off to see the wizard
- The dark night rises
- Fear less
- Eat a Snickers
- Tagalong
- Shadow of things to come
- Don't go into the light
- He puts the 'poo' in 'poonooboo'...
- The Great Awz
- Star struck
- Pay no attention to that man behind the curtain
- Deus ex machina
- Smarty-phone
- No place like home
- It's not me, it's you
- Trojan hug
- Migrossis
- Middleage Mutant Ginger Girdle
- Suck it up
- Googleplex
- Booger biology
- Drawn out
- Boofed up
- Super concerned
- Dodge this
- Don't blow it
- Super lame
- What's the point?
- Just breathe
- ! to the rescue
- The superhero formerly known as !
- Making a new friend
- If I knew you were coming I'd have scienced a cake
- Burn baby burn
- Don't be so celly
- Enuntiatum
- Sorry, this spot is octopied
- What kind of man
- Not so soft drink
- Dissecting a frog
- Flu? Shot.
- Quit cloning around
- Bob getting hi
- Short on patience
- Don't stare
- Self loathing
- Tattoo you two
- And then there were three...
- You're fired
- Mutiny
- Attack of the clones
- Five Hundred!
- The kitty's out of the bag
- Back from the dead
- Emancipation
- Crossed
- Snailed it
- Snail's pace
- Jamaican me crazy
- Stunning
- Crackronym
- Dog gone experiment
- Bird brain
- Intern-ment
- Spring forward; Fall back
- Quit your babbling
- Orifish
- Fridge troll
- A moving experience
- Bait and switch
- Feeling Frigidaire
- Time for a diet
- Is your refrigerator running?
- I've got you under my skin
- Forgetful
- Chick magnet, south pole
- Uncultured
- Uncool
- Limbo
- I have stood on the shoulders of interns
- Underhanded
- An apeeling hypothesis
- Booth truth
- Midnight Miller
- Get a load of this guy
- On the dot
- Tubernati
- Termitater
- Vitruvian Potato
- Stuffed
- Deus Ex Potata
- Fired up
- Time's up
- Paper chase
- Laundry line
- Box office
- GMO? OMG!
- Would you like flies with that?
- Easy, breezy, beautiful. Cover hurl.
- Pot user
- And I forgot my protractor...
- Time to boot up the probe
- Pushing the envelope
- The Bieberverse
- True belieber
- It's called fashion. Look it up.
- Strike a pose
- Fashists
- Breaking plaid
- No buts about it
- Squirrelyverse
- Planet of the squirrels
- Squirreled away
- Now he has to a-paw-logize
- Thaddeus "Crazy-legs" Euphemism
- Rinse and repeat
- New phone. Who dis?
- Lord of the ringtones
- Endgame
- Once more unto the breach
- Impervious
- Back in black
- Squirrel, you really got me now
- Treemendous
- How do you turn it on?
- Smellfie
- Calculated risk
- Older than dirt
- The syntax of failure
- They just don't carrot all
- Lettuce count the ways
- Right in the puss
- Read between the lines
- I fold
- Seasonings greetings
- Hi jinx
- Laws of attraction
- Inside voice
- Is he alive?
- Woo who
- Heat of the moment
- Courting disaster
- I'll miss you when you goo
- Love you more
- Waiter, there's a tentacle in my soup
- I gotta split
- She shattered my world
- One flu over the cukoo's nest
- You're no fund
- Not all heroes wear capes
- Periodically brilliant
- Thanks for another great year!
- Undone
- Phonepocalypse
- Stick with me, kid
- Professional courtesy
- Unbelieveabowl
- Sorry, I don't speak football
- Strung out
- Party Hadron
- This project is an udder disaster
- Pushy notifications
- AI on the run
- Aristocracnophobia
- Panderpic
- Mistaken COVIDentity
- Squirreled away
- Time to flee
- Ignorance is bliss
- Don't strain yourself
- I apple-ogize for this comic
- Worth less
- Block head
- Bigotree
- Anomaly
- W-5
- In a jam
- At least it wasn't a dung beetle...
- Did you mean: lame webcomics?
- Flatten the curve
- Drawing a blank
- The Improbable Bulk
- Pour decision
- You wouldn't like me when I'm annoyed
- Prick your battles
- Mixed feelings
- Theoretical fizz-ics
- Just for the halibut
- Pop psychology
- Spice hurls
- Dating flop
- The more things change...
- Swiped
- Pass interference
- Chute happens
- A league of his own
- Social tedia
- Algorithm is gonna getcha
- Carbon dating
- I lobe you
- Well timed joke
- Armed and dangerous
- Up to scratch
- Thanks for another great year!
- If you like my bacteria wait'll you see my fronteria...
- Eyeronic
- Equations lead to large circumference
- Nothing to sniff at
- We'll call it a draw
- There's still nothing to eat
- Gnome on the range
- Antipasto
- Success full
- 01101000 01101001
- Cell-centered
- Abduction junction, what's your function?
- Support bro
- Prestige-ish
- Doppelganger
- Bare with me
- Supporting role
- Classy
- It's no fun being an illegal alien
- Don't stray too far
- High beam
- Spicemageddon
- Not so sweet tweet
- Me, myself, and emoji
- It's probably killing you
- Keep your eyes peeled
- That's a stretch
- That's not what they meant by 'flu shot'
- He's a little testy
- Leaf it alone
- Gibber-ish
- Ur in trouble
Creator
The Petri Dish turns six years old AND we've reached the 500th comic at the same time! To celebrate, I'm having a contest! Send me an email at johnmarksutton@gmail.com and tell me your FAVOURITE thing about the Petri Dish. The person with the best entry will win a free copy of my latest book: "Stand Back, I'm Doing a Science!" Contest closes January 20th. Flattery will get you everywhere!
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