Bunsen attends his first day of human middle school in hopes of proving that beasts and humans can happily co-exist, but trouble ensures when he drinks beet juice.

Bunsen literally loses his head on picture day and Mikey has to help him find it before picture time.

Bunsen and Mikey, along with Amanda (disguised as a beast) play the beast version of “Hide and Go Seek” in Bunsen’s house.

Bunsen’s love of ice cream almost gets him expelled when Amanda uses it to lure him out of school.

Amanda tries to get Bunsen kicked out of school when he brings a dangerous bear to class.

Bunsen and Mikey must save Amanda from mischievous sneeze beasts that escape from Bunsen's nose.

Bunsen proves bees are the best spellers when he turns into one and wins the spelling bee.

An MMA fighter picks Bunsen to be his new mascot, so Mikey tries to prove that he is a beast too.

After discovering Bunsen's uncle in a museum, Bunsen and Mikey try to sneak him out before Amanda catches them.

After Bunsen sprays himself with fancy body spray, he transforms into a hunk and becomes Amanda's desire.

Mikey explains that Bunsen will be richer than Amanda after the tooth fairy leaves him money for all the teeth he loses during teeth losing season, so Amanda vows to catch the tooth fairy.

Bunsen is excited to take Mikey to Dimmsdale to meet Cosmo on Friend-iversary, but trouble arises when Amanda secretly follows them and teams up with Mr. Crocker.

Amanda wants to use Bunsen's fear of thunder to scare him out of Muckledunk.

Bunsen begins to lose his memory after getting hiccups.

It is the beast holiday, Beastgiving, so Mikey helps Bunsen deliver dream gifts to the citizens of Muckledunk.

Bunsen's internal clock gets thrown off during daylight saving time.

Bunsen tries to help Mikey overcome his fear of the woods during an overnight camping trip.

Amanda tries to sabotage Mikey and Bunsen after they are appointed the new hall monitors.

While on a field trip to MASA, Commander Cone gives Mikey and Bunsen a tour of MASA and accidentally launches them into space.

Amanda turns into a ferocious beast and causes panic at school after eating Bunsen's beast cookies.

Mikey, Bunsen and Amanda team up to study minks after Amanda's tightened braces cause her to make mink calls.

Amanda gets trapped in Bunsen's hugging chair and can only be released once she is happy.

Bunsen falls in love with a guinea pig and tries to woo her, while Amanda tries to sabotage the love affair.

To make time for their band, Bunsen clones Mikey so his clones can run all of his after school clubs.

Mikey and Bunsen go into dectective mode after Commander Cone is framed for stealing Amanda's phone case.

Bunsen's beast ball tells him and Mikey to do fun things, until Amanda swaps out the ball for one of her own.

Mikey wants the lead role in a play so he can get a kiss from Sophie Sanders, but a jealous Amanda plans to sabotage his chances.

Mikey is excited to show Bunsen how to collect candy on his first Halloween, but Amanda plans to steal everyone’s candy for herself.

Bunsen becomes excited about celebrating his first Christmas; when Amanda finds out she's on the naughty list, she stuffs Santa in a gift box and hijacks all the toys.

Amanda becomes Mikey and Bunsen's best friend after they perform the Best Friends Forever beast ceremony.