Earl gives the students a first hand account of the early Mesozoic era by filling the halls with computer-generated Veloceraptors and T-Rexes.

Ruby and Marcus fight for personal space during a class on undersea life, and Earl gets so mad that he floods the school with giant hungry fish.

Earl gets enraged when Mrs Snodgrass praises Billy and Marcus's model space shuttle as the best she's ever seen.

Inspired by a classic horror film, Mrs Snodgrass builds an exact replica of Egyptian tomb and brings it to class.

Mrs. Snodgrass introduces the great classic 'Frankenstein' to the class just as Lydia arrives with a bulky new addition to her braces.

Billy gets caught by Mrs. Snodgrass playing Marcus's new medieval castle video game in class and she confiscates the game forever.